Model:F9-5c tws Bluetooth Earphone
Color: Black,white
Bluetooth version: V5.0
Charging Voltage: DC 5V
Microphone sensitivity: -42Db
Working temperature: -10-50 °C
Frequency response range: 20-20000Hz
Sensitivity: 120dB+/-5dB
Transmission Distance:10m
Charging Time:About 1 hours
Accumulated battery life: about 220 hours
Headphone battery capacity: 50mAh
Charging box battery capacity: 2000mAh(Actually about 1200-2000mAh)
