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"2.5mm To 3.5mm"

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19 items
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Fosmon - 3.5mm Male to 2.5mm Female Stereo Headset Adapter (Black) - Black - Larger Front
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  • Model: A1663
  • SKU: 1310062405
Mini-phone/Sub-mini phone for Headset, Cellular Phone, Audio Device, PDA, Speaker, iPhone, iPad, iPod - 1 x Mini-phone Male Stereo Audio - 1 x Sub-mini phone Female Stereo Audio - Black
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

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$4.99
Monoprice - 2.5mm Stereo Plug to 3.5mm Stereo Jack Adaptor Plated - Larger Front
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  • Model: 107124
  • SKU: 1310953277
1 x Sub-mini phone Male Stereo Audio - 1 x Mini-phone Male Stereo Audio - Gold Plated
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

$1.81
eForCity - 2.5mm to 3.5mm Stereo Headphone Adapter Bundle for Palm Treo - Black - Black - Larger Front
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  • Model: 278914
  • SKU: 1306930022
Mini-phone/Sub-mini phone for Headphone, Audio Device, Cellular Phone - 2 Pack - Sub-mini phone Audio - Mini-phone Stereo Audio - Black
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

$5.39
On Sale
Save $5.60 (Reg. $10.99)
Hosa Technology - Adapter 2.5 mm TRS to 3.5MM TRS - Larger Front
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  • Model: GMP-500
  • SKU: 1311080651
1 x Sub-mini phone Female Stereo Audio - 1 x Mini-phone Male Stereo Audio
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

$2.99
On Sale
Save $0.61 (Reg. $3.60)
Monoprice - Metal 2.5mm Mono Plug to 3.5mm Mono Jack Adaptor Plated - Larger Front
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  • Model: 107154
  • SKU: 1310953475
1 x Sub-mini phone Male Audio - 1 x Mini-phone Female Audio - Gold Plated
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

$1.99
Monoprice - 2.5mm Stereo Plug to 3.5mm Mono Jack Adaptor Plated - Larger Front
You may compare up to four items at a time.

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  • Model: 107123
  • SKU: 1310953260
1 x Sub-mini phone Male Stereo Audio - 1 x Mini-phone Male Audio - Gold Plated
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

$1.81
Monoprice - Metal 2.5mm Stereo Plug to 3.5mm Stereo Jack Adaptor Plated - Larger Front
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  • Model: 107157
  • SKU: 1311004305
1 x Sub-mini phone Male Stereo Audio - 1 x Mini-phone Female Stereo Audio - Gold Plated
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

$2.01
Monoprice - 2.5mm Mono Plug to 3.5mm Mono Jack Adaptor Plated - Larger Front
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  • Model: 107121
  • SKU: 1311054140
1 x Mini-phone Female Mono Audio - 1 x Sub-mini phone Male Mono Audio - Gold Plated
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

$1.79
eForCity - Universal 2.5mm Male to 3.5mm Female Stereo Headphone / Speaker Adapter - Black - Black - Larger Front
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  • Model: 278909
  • SKU: 1306930015
Mini-phone/Sub-mini phone for Headphone, Cellular Phone, Radio, Audio Device - 2" - 1 Pack - Sub-mini phone Male Stereo Audio - Mini-phone Female Stereo Audio - Black
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

$5.09
On Sale
Save $4.90 (Reg. $9.99)
QVS - 3.5mm Male to 2.5mm Female Mini-Stereo/Speaker Adaptor - Black - Larger Front
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  • Model: CC399CR
  • SKU: 1310936522
1 x Mini-phone Male Stereo Audio - 1 x Sub-mini phone Female Stereo Audio - Black
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

$3.99
QVS - 3.5mm Female to 2.5mm Male Mini-Stereo/Speaker Adaptor - Larger Front
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  • Model: CC399C
  • SKU: 1310936539
1 Pack - 1 x Mini-phone Female Stereo Audio - 1 x Sub-mini phone Male Stereo Audio
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

$4.79
Monoprice - 3.5mm Stereo Plug to 2.5mm Mono Jack Adaptor Plated - Larger Front
You may compare up to four items at a time.

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  • Model: 107125
  • SKU: 1310953284
1 x Mini-phone Male Stereo Audio - 1 x Sub-mini phone Female Audio - Gold Plated
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

$1.79
Monoprice - 2.5mm Mono Plug to 3.5mm Stereo Jack Adaptor Plated - Larger Front
You may compare up to four items at a time.

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  • Model: 107122
  • SKU: 1311004275
1 x Sub-mini phone Male Audio - 1 x Mini-phone Female Stereo Audio - Gold Plated
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

$1.79
Phoenix - Duet-Executive DUET Executive Speakerphone - Silver - Angle
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  • Model: Duet-Executive
  • SKU: 9933983
Full-duplex speakerphone; USB connectivity; acoustic echo cancellation; line echo cancellation; noise suppression
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.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$159.99
On Sale
Save $20 (Reg. $179.99)
Serene Innovations - RF-200 Cell Phone Signaler - White/Blue - Angle
You may compare up to four items at a time.

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  • Model: HAR553800F077
  • SKU: 1120263
Compatible with cell phones and landline phones; ringer and light alerts; 2.5mm-to-3.5mm cable for computer and tablet connectivity; USB port; optional bed shaker; unique flashing patterns for calls and messages
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.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$79.99