Bluetooth version AB5.2
Material process ABS raw material + cloth net
Battery capacity 4000mAh
Horn specification 57mm caliber *2+ diaphragm *2
Horn power 4 OH10 watts *2
Charging voltage DC5V
Call or music about 4Hr-6Hr
Power supply mode 18650 battery
Bluetooth distance > 10 m
Frequency response range is 120HZ-20KHZ
Signal-to-noise ratio 75≥dB