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Best Buy customers often prefer the following products when searching for most popular keychains.

Keychains have been used for more than a century to help people keep track of their keys for homes, vehicles, and offices. Browse the top-ranked list of most popular keychains below along with associated reviews and opinions.

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  1. BACtrack - Go Keychain Breathalyzer - White - Angle_Zoom
    Top comment

    "BACtrack - Go Keychain Breathalyzer...The BACtrack - Go Keychain Breathalyzer is small and easy to carry. Works as advertised....Love my keychain BAC track...I love my BAC track keychain breathalizer. I feel like it's pretty accurate."

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    Product Description

    Quickly and easily estimate your BAC with this BACtrack Go BT-KC20 keychain breathalyzer, which features a fold-out mouthpiece that facilitates BAC calculations and readouts on an easy-to-read LCD screen. The ultracompact design simplifies portability.
    See all Breathalyzers
    Top comment

    "BACtrack - Go Keychain Breathalyzer...The BACtrack - Go Keychain Breathalyzer is small and easy to carry. Works as advertised....Love my keychain BAC track...I love my BAC track keychain breathalizer. I feel like it's pretty accurate."

    See all customer reviews

    Product Description

    Quickly and easily estimate your BAC with this BACtrack Go BT-KC20 keychain breathalyzer, which features a fold-out mouthpiece that facilitates BAC calculations and readouts on an easy-to-read LCD screen. The ultracompact design simplifies portability.
    See all Breathalyzers
    See all Breathalyzers
  2. Key Fob Remote for SimpliSafe Systems - Black - Front_Zoom
    Top comment

    "It works great, but it’s pretty big to be carrying around on a keychain all the time....Nice addition to my keychain. SimpliSafe is only the way to go!!"

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    Product Description

    Control your security system remotely with this SimpliSafe key fob. It has buttons to disarm and arm the system before you enter or leave for convenience and safety.
    See all Home Security Accessories
    Top comment

    "It works great, but it’s pretty big to be carrying around on a keychain all the time....Nice addition to my keychain. SimpliSafe is only the way to go!!"

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    Product Description

    Control your security system remotely with this SimpliSafe key fob. It has buttons to disarm and arm the system before you enter or leave for convenience and safety.
    See all Home Security Accessories
    See all Home Security Accessories
  3. Belkin - Secure holder with Key Ring, Scratch Resistant, Protective AirTag Keychain for Apple AirTag - 4-Pack - Blue - Angle_Zoom
    Top comment

    "Apple AirTag keychain...Just the air tag itself would easily escape the keychain makes it easier to keep track of the air tag....I especially enjoy that the air tag is essentially locked in via the metal keychain loop."

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    Product Description

    Track your belongings with confidence—and style. Our Secure Holder with Key Ring has an innovative twist-and-lock design and raised edges to keep your AirTag secure and protect it against scratches. Easily attach it to your keys, car remote, luggage, pet, and more with its convenient, sturdy, and secure key ring. Choose from four stylish colors—black, white, pink, and blue—that perfectly complement your AirTag while keeping its elegant design and custom engravings on full display.
    See all Bluetooth Tracker Accessories
    Top comment

    "Apple AirTag keychain...Just the air tag itself would easily escape the keychain makes it easier to keep track of the air tag....I especially enjoy that the air tag is essentially locked in via the metal keychain loop."

    See all customer reviews

    Product Description

    Track your belongings with confidence—and style. Our Secure Holder with Key Ring has an innovative twist-and-lock design and raised edges to keep your AirTag secure and protect it against scratches. Easily attach it to your keys, car remote, luggage, pet, and more with its convenient, sturdy, and secure key ring. Choose from four stylish colors—black, white, pink, and blue—that perfectly complement your AirTag while keeping its elegant design and custom engravings on full display.
    See all Bluetooth Tracker Accessories
    See all Bluetooth Tracker Accessories
  4. ThinOptics - Keychain with Readers 2.0 - Black - Front_Zoom

    Model: KCB2.0B-BLISTER
    SKU: 6517457
    Top comment

    "easy to carry as keychain as i dont need all the time to carry glasses. ...Placed on my keychain for added convenience. Really practical."

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    Product Description

    The Worlds Thinnest Reading Glasses- At ThinOptics, our concept is simple enough -- we set out to develop thin, comfortable reading glasses combined with case solutions that are always with you. Our Readers are thin, lightweight and available in a variety of lens strengths (+1.5, +2.0, and +2.5). Every pair of ThinOptics Readers is made of shatterproof, thermo-injection molded, optical-grade polycarbonate. The bridge is made from a shape-memory metal called Nitinol, which is 10x more elastic than spring steel and encased in medical-grade silicone tubing. These Readers + Black Keychain Case are an ingenious solution because they combine the world's thinnest readers inside of a sleek Black Keychain Case! Attach them to your keys for Always With You convenience, or fasten to a backpack, golf bag or luggage for easy access anywhere.
    See all Reading Glasses
    Top comment

    "easy to carry as keychain as i dont need all the time to carry glasses. ...Placed on my keychain for added convenience. Really practical."

    See all customer reviews

    Product Description

    The Worlds Thinnest Reading Glasses- At ThinOptics, our concept is simple enough -- we set out to develop thin, comfortable reading glasses combined with case solutions that are always with you. Our Readers are thin, lightweight and available in a variety of lens strengths (+1.5, +2.0, and +2.5). Every pair of ThinOptics Readers is made of shatterproof, thermo-injection molded, optical-grade polycarbonate. The bridge is made from a shape-memory metal called Nitinol, which is 10x more elastic than spring steel and encased in medical-grade silicone tubing. These Readers + Black Keychain Case are an ingenious solution because they combine the world's thinnest readers inside of a sleek Black Keychain Case! Attach them to your keys for Always With You convenience, or fasten to a backpack, golf bag or luggage for easy access anywhere.
    See all Reading Glasses
    See all Reading Glasses
  5. 2023-2024 Panini Prizm Basketball Fat Pack - Front_Zoom

    Model: SP-PAN234BKTPRZFP
    SKU: 6567623

    Product Description

    The most popular release of the year, 2023‐24 Prizm Basketball is back with familiar highly sought‐after content. This year’s Prizm offers a 300‐card base set which includes Retail‐Exclusive parallels, inserts, and autograph content!
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    Product Description

    The most popular release of the year, 2023‐24 Prizm Basketball is back with familiar highly sought‐after content. This year’s Prizm offers a 300‐card base set which includes Retail‐Exclusive parallels, inserts, and autograph content!
    See all Trading Cards
    See all Trading Cards
  6. eKids - Disney Bluetooth Karaoke & Microphone with EZ Link+ Technology - White - Front_Zoom

    Product Description

    This Bluetooth Karaoke Player with Microphone has innovative EZ Link+ Technology, which connects to popular Disney music via your preferred streaming service (app required). Stream and sing along with your favorite Disney songs using the wireless microphone, while color-changing light patterns enhance your karaoke performance. The built-in Bluetooth speaker can wirelessly stream audio of any kind, whether you use the EZ Link app or not. Enjoy high quality sound when performing popular playlists, then record and save your ‘hit single’ to share with friends and family!
    See all Kids' Electronics

    Product Description

    This Bluetooth Karaoke Player with Microphone has innovative EZ Link+ Technology, which connects to popular Disney music via your preferred streaming service (app required). Stream and sing along with your favorite Disney songs using the wireless microphone, while color-changing light patterns enhance your karaoke performance. The built-in Bluetooth speaker can wirelessly stream audio of any kind, whether you use the EZ Link app or not. Enjoy high quality sound when performing popular playlists, then record and save your ‘hit single’ to share with friends and family!
    See all Kids' Electronics
    See all Kids' Electronics
  7. Konami - Yu-Gi-Oh! Battles Of Legend: Chapter 1 - Front_Zoom

    Product Description

    Battles of Legend: Chapter 1 brings you an encore performance for many of the most popular cards from Battles of Legend: Light’s Revenge, Battles of Legend: Relentless Revenge, Battles of Legend: Hero’s Revenge, and Battles of Legend: Armageddon, plus related cards from other past releases!
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    Product Description

    Battles of Legend: Chapter 1 brings you an encore performance for many of the most popular cards from Battles of Legend: Light’s Revenge, Battles of Legend: Relentless Revenge, Battles of Legend: Hero’s Revenge, and Battles of Legend: Armageddon, plus related cards from other past releases!
    See all Trading Cards
    See all Trading Cards
  8. Panini - 2022 Chronicles Football Fat Pack - Front_Zoom

    Model: SP-PAN22FBCHFP
    SKU: 6544191

    Product Description

    The 2022 Panini Chronicles Fat Pack features 15 cards per pack. You can find popular releases from years’ past with gridiron kings, prizm black, playoff momentum, dynagon, panini and many more!
    See all Trading Cards

    Product Description

    The 2022 Panini Chronicles Fat Pack features 15 cards per pack. You can find popular releases from years’ past with gridiron kings, prizm black, playoff momentum, dynagon, panini and many more!
    See all Trading Cards
    See all Trading Cards
  9. Geek Squad Certified Refurbished MacBook Pro 13.3" Laptop - Apple M1 chip - 8GB Memory - 256GB SSD - Space Gray - Front_Zoom

    Product Description

    The Apple M1 chip redefines the 13-inch MacBook Pro. Featuring an 8-core CPU that flies through complex workflows in photography, coding, video editing, and more. Incredible 8-core GPU that crushes graphics-intensive tasks and enables super-smooth gaming. An advanced 16-core Neural Engine for more machine learning power in your favorite apps. Superfast unified memory for fluid performance. And the longest-ever battery life in a Mac at up to 20 hours.² It’s Apple's most popular pro notebook. Way more performance and way more pro.

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    Product Description

    The Apple M1 chip redefines the 13-inch MacBook Pro. Featuring an 8-core CPU that flies through complex workflows in photography, coding, video editing, and more. Incredible 8-core GPU that crushes graphics-intensive tasks and enables super-smooth gaming. An advanced 16-core Neural Engine for more machine learning power in your favorite apps. Superfast unified memory for fluid performance. And the longest-ever battery life in a Mac at up to 20 hours.² It’s Apple's most popular pro notebook. Way more performance and way more pro.

    See all MacBooks
    See all MacBooks
  10. Geek Squad Certified Refurbished MacBook Pro 13.3" Laptop - Apple M1 chip - 8GB Memory - 512GB SSD - Silver - Front_Zoom

    Product Description

    The Apple M1 chip redefines the 13-inch MacBook Pro. Featuring an 8-core CPU that flies through complex workflows in photography, coding, video editing, and more. Incredible 8-core GPU that crushes graphics-intensive tasks and enables super-smooth gaming. An advanced 16-core Neural Engine for more machine learning power in your favorite apps. Superfast unified memory for fluid performance. And the longest-ever battery life in a Mac at up to 20 hours.² It’s Apple's most popular pro notebook. Way more performance and way more pro.

    See all MacBooks

    Product Description

    The Apple M1 chip redefines the 13-inch MacBook Pro. Featuring an 8-core CPU that flies through complex workflows in photography, coding, video editing, and more. Incredible 8-core GPU that crushes graphics-intensive tasks and enables super-smooth gaming. An advanced 16-core Neural Engine for more machine learning power in your favorite apps. Superfast unified memory for fluid performance. And the longest-ever battery life in a Mac at up to 20 hours.² It’s Apple's most popular pro notebook. Way more performance and way more pro.

    See all MacBooks
    See all MacBooks
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