Mini Wireless Earpiece

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$19.99 $12.99
K21 Bluetooth headset with Built-in HD Microphone and CVC6.0 noise cancellation feature to ensure Hi-Fi Stereo Sound Quality. Transmit high quality and clear voice even in noisy environments such as (driving, street, Gym, shopping malls, and other public places). K21 Bluetooth Earpiece is equipped with 5.0 CSR high-end and APTX,...
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K21 Bluetooth headset with Built-in HD Microphone and CVC6.0 noise cancellation feature to ensure Hi-Fi Stereo Sound Quality. Transmit high quality and clear voice even in noisy environments such as (driving, street, Gym, shopping malls, and other public places).

K21 Bluetooth Earpiece is equipped with 5.0 CSR high-end and APTX, ensures maximum signal quality.

Soft rubber material, comfortable, Even if the long time wearing a headset will not have any burden, no heavy feeling, the ears will not be painful, but also non-slip non-drop no pain all-day wear, very suitable for Driving and Office.

180°adjustable earbud fits perfectly for your left or right ear, up and down can be stretched or shortened to 0.4cm, suitable for all sizes of ears, you can adjust the angle or length of earbud to fit your ears better. 9 Hours of Listening/ Talk Time, 240 Hours of standby time, 10-meter working distance. It only takes 2 hours to get fully charged.

Must have for busy professionals, frequent travelers, and outdoor enthusiasts.

Product Specifications:

  • Style: Ear Hook
  • Communication: Wireless
  • Connectors: USB
  • Wireless Type: Bluetooth
  • Vocalism Principle: Dynamic
  • Control Button: Yes
  • Volume Control: No
  • Active Noise-Cancellation: No
  • Function: For Mobile Phone
  • Function: For iPod
  • Function: HiFi Headphone
  • Function: Sport
  • Plug Type: Wireless
  • Sensitivity: 103±3dB
  • Frequency Response Range: 20-20000Hz
  • Line Length: None
  • Resistance: 32Ω
  • Waterproof: No
  • Model Number: K21 plus
  • Support Memory Card: No
  • Support APP: No
  • Is wireless: Yes
  • With Microphone: Yes
  • Codecs: NONE
  • Brand Name: int box pro
  • Color: Gold/White/Silver
  • Bluetooth Version: V4.1
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