UFO4

Bluetooth 5.2
Ultra-long battery life
Multi-color available
Comfortable to wear Unplug and switch function
Polymer Battery Touch Operation Life Waterproof Charging Stability
1:1 in-ear comfort Signal stability and anti-interference All-round testing (drop, salt spray, high and low temperature, plug test, etc.)
Full RF and audio detection
manually review
Certification: CE,FCC,ROHS,
Battery MSDS, BQB
ISQ900