1. Small size, suitable for most models
2. Bluetooth 5.0 version, fast connection speed, support operation voice prompt, support caller ID
3. Supports echo cancellation and noise suppression (CVC) technology during calls
4. Digital display, can display working status information such as frequency
5. Support FM full frequency point transmission function, a total of 206 frequency points
6. Support Bluetooth stereo A2DP music playback
7. Support Bluetooth hands-free phone, answer, hang up, reject, call back and other phone functions
8. Support external TF card / U disk interface, support lossless music format, file menu operation, support automatic power-off memory function
9. Support QC3.0 fast charge intelligent identification of various Android and Apple phones and other devices, USB charging support QC3.0 / QC2.0 / PE + 1.1 / PE + 2.0 / FCP fast charge