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, real-time navigation, music, gaming at the same time
3. Super BASS on/off button, press to switch to super bass mode, enjoy HiFi audio with bass boost technology
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. Free switch between TF card, BT mode and more
8. Enlarged metal mic mesh, enhancing sound pickup, ensuring HiFi hands-free calling
9. Compact and portable size, space-saving design
10. Premium 100cm TPE cord, included storage strap with adjustable length
11. Independent large call button, easy to operate with one hand
12. Zinc alloy connector, makes the 3.5mm adapter more durable

Specifications:
BT version: V5.3
Audio decoding: AAC, SBC
Supported protocols: HFP, A2DP, AVRCP
Supported modes: TF card, BT mode
TF card capacity limit: ＜32G
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+aluminum alloy
Size: 55x24x12mm
Net weight: 21g