1. Converting wired devices into wireless, adding BT function to home stereo system, speakers, car audio, etc.
2. Latest BT 5.3 technology, low latency, 10m stable connection
3. ENC calling noise reduction on/off option, turn on to realize dual-mic ENC calling noise reduction, accurate human voice pickup, HD calling
4. Double-sided blind plug USB, battery-free design, easy to install & use, plug-and-play
5. Colorful LED ring, easier to use at night, safer driving
6. Dual connection, auto reconnection, free switch between call and music
7. Enlarged metal mic mesh, enhancing sound pickup, ensuring HiFi hands-free calling
8. Compact and portable size, space-saving design
9. Premium 100cm TPE cord, included storage strap with adjustable length
10. Independent large call button, easy to operate with one hand

Specifications:
BT version: V5.3
Audio decoding: AAC, SBC
Supported protocols: HFP, A2DP, AVRCP
Working frequency: 2402MHz-2483.5MHz
Max output power: 4±1dBm (EIRP)
BT range: 10m (barrier-free open environment)
Frequency response range: 20Hz-20KHz
Microphone sensitivity: -38dB±2
Input port: USB+AUX
Cord length: 100cm
Power input: 5V 1A
Material: ABS+PC
Size: 57x23x8.8mm
Net weight: 15g