Portable wireless audio receiver
Avantree CK121

Avantree CK121

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Product ID: BTCK-121-BLK

Portable wireless audio receiver - Avantree CK121

Route calls and music from a smart phone to car speakers

  • IDEAL FOR AUTOMOTIVE USE: Place this Bluetooth receiver into your car audio AUX (3.5mm) input; then stream audio from your Bluetooth enabled phone or other audio device.
  • BLUETOOTH-ENABLE YOUR HOME WIRED DEVICES: Integrate your phone to your home by connecting this Bluetooth receiver to your wired speakers / headphones via included 3.5mm audio cable / adapter. Then pair it with your phone for high quality music and calls.
  • DOUBLE LINK: Connect with two mobile phones at the same time. Easy to switch between your favorite music and an incoming call. Never miss a call again.
  • EASY CONTROL: Simply adjust volume, play and pause music, or answer phone calls on this receiver without using the smartphones.
  • LONGER USE & WARRANTY: 8 hours of talk and play time, up to 110 hours on standby. Only needs 1.5 hours to fully charge. Simple charging by plugging it into the car charger, USB charger or PC USB port. And this product is with a 24 month warranty



Estimated Release Date:

For US orders, package is shipped from Amazon warehouse.
For all other orders, package is shipped from China Mainland, usually it takes about 15-20 business days.

Product ID: BTCK-121-BLK
  • Specification
  • Video Guide
  • FAQ & Warranty
  • Related Products
  • Manual & Driver


  • Mini size, as well as built-in battery for outdoor use
  • Multipoint support connects two devices simultaneously
  • Compatible with all A2DP stereo Bluetooth enabled devices
  • Also can be used with any speaker as a hands-free speakerphone in office, at home


  • Bluetooth Version: 4.1   
  • Frequency Range: 2.4GHz     
  • Output Power Category: Class2 
  • Bluetooth Mode: HFP/HSP/A2DP/AVRCP
  • Bluetooth Range: up to 30feet
  • Power Supply : Li-Po 110mAh
  • Working Current:15mAh (MAX)
  • Charge Voltage: DC 5.0V

What's in the box

  • Avantree Bluetooth receiver
  • Audio cable
  • 3.5mm connector
  • USB charging cable
  • User manual

Packing Info

153/84/18 mm


It is compatible with all Bluetooth enabled phones.


Bar code

69456249 30750