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  • Model: BT-KC20
  • SKU: 5752012
Determines and provides your BAC (Blood Alcohol Content) results in seconds; Advanced MicroCheck alcohol sensor; folding mouthpiece; 3-digit LCD display; compact, battery-operated design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$29.99
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Rating Breakdown

43%
(44 Reviews)
36%
(36 Reviews)
7%
(7 Reviews)
3%
(3 Reviews)
11%
(11 Reviews)
  • Model: BT-M5
  • SKU: 2927246
Compatible with most Bluetooth-enabled Apple iPhone and Android 4.3 or later smartphones; police-grade Xtend fuel-cell sensor technology; ZeroLine technology; BACtrack app
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$108.99
On Sale
Save $21 (Reg. $129.99)
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Rating Breakdown

64%
(16 Reviews)
28%
(7 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
8%
(2 Reviews)
  • Model: MPKC20
  • SKU: 6401139
Compatible with BACtrack Keychain, Vio and Go breathalyzers; 20 mouthpieces; plastic material; removable, washable and re-usable design
  5.0  (2 Reviews)
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$14.99
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Rating Breakdown

100%
(2 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: BT-M2
  • SKU: 5753002
Compatible with most iOS and Android cell phones with Bluetooth 4.0 LE; tests your BAC (Blood Alcohol Content); Advanced MicroCheck sensor
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$49.99
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Rating Breakdown

38%
(8 Reviews)
24%
(5 Reviews)
14%
(3 Reviews)
5%
(1 Review)
19%
(4 Reviews)
  • Model: BT-ELMT
  • SKU: 7464173
BACTRACK Element Portable Breathalyzer: Estimates blood alcohol content from 0.00% to 0.40%; Xtend fuel cell sensor technology; automatic breath flow check and temperature check; 4-digit display; 2 replaceable mouthpieces; sleek design
  4.0  (1 Review)
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$92.99
On Sale
Save $7 (Reg. $99.99)
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Rating Breakdown

0%
(0 Reviews)
100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: MPS-50
  • SKU: 9559532
From our expanded online assortment; compatible with S-30, S-50, S-70 and S-80 BACtrack breathalyzer models; 50 mouthpieces; individually wrapped
  5.0  (1 Review)
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$19.99
On Sale
Save $5 (Reg. $24.99)
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Rating Breakdown

100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: MPM520
  • SKU: 6401102
Compatible with select BACtrack mobile breathalyzers; 20 mouthpieces; plastic material; removable, washable and re-usable design
  4.0  (2 Reviews)
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$17.99
On Sale
Save $2 (Reg. $19.99)
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Rating Breakdown

50%
(1 Review)
0%
(0 Reviews)
50%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: BT-S35
  • SKU: 7464119
BACTRACK S35 Portable Breathalyzer: Estimates blood alcohol content from 0.00% to 0.40%; MicroCheck sensor technology; 3-digit LCD; 3 replaceable mouthpieces; sleek design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$49.99
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  • Model: BT-S75
  • SKU: 9846714
From our expanded online assortment; 4-digital LCD display; Xtend Fuel Cell Sensor Technology; includes 6 mouthpieces
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$129.99
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Rating Breakdown

80%
(8 Reviews)
10%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
10%
(1 Review)
  • Model: S-80
  • SKU: 9559131
Wide detection range from .000-.500%; 4-digit LCD display; 6 mouthpieces
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$141.99
On Sale
Save $8 (Reg. $149.99)
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Rating Breakdown

47%
(9 Reviews)
5%
(1 Review)
5%
(1 Review)
11%
(2 Reviews)
32%
(6 Reviews)
  • Model: MPKC10
  • SKU: 7464146
BACTRACK Mouthpieces for Select BACtrack Portable Breathalyzers (10-Pack): Compatible with BACtrack Keychain, BACtrack Vio and BACtrack Go breathalyzers; 10 mouthpieces; plastic construction; removable, washable and reusable design
  5.0  (1 Review)
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$7.99
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Rating Breakdown

100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: MPM550
  • SKU: 7464137
BACKTRACK Mouthpieces for Select BACtrack Mobile Breathalyzers (50-Pack): Compatible with BACtrack BT-M2 and BT-M5 mobile smartphone breathalyzers; 50 mouthpieces; plastic material; removable, washable and reusable design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$29.99
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  • Model: MPS-10
  • SKU: 9558383
From our expanded online assortment; compatible with S-30, S-50, S-70 and S-80 BACtrack breathalyzer models; 10 mouthpieces; individually wrapped
  5.0  (1 Review)
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$8.99
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Rating Breakdown

100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: KC10
  • SKU: 1308147985
BACtrack Black Keychain Breathalyzer
Brand New One Year Manufacturer's Warranty

The
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$38.95
On Sale
Save $4.04 (Reg. $42.99)
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Rating Breakdown

54%
(7 Reviews)
23%
(3 Reviews)
8%
(1 Review)
0%
(0 Reviews)
15%
(2 Reviews)
  • Model: MPM510
  • SKU: 7464164
BACTRACK Mouthpieces for Select BACtrack Mobile Breathalyzers (10-Pack): Compatible with select BACtrack mobile breathalyzers; 10 mouthpieces; plastic construction; removable, washable and reusable design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$7.99
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