C5 ANC True Wireless Earphone

Speaker: 6mm
Impedance: 16Ω±15%
Frequency response: 20~20000Hz
Transmission range: 10 meters
Charging voltage: DC 5V
Charging time: about 2 hours
Talk time: about 3.5 hours (70% volume)
Music time: about 3.5 hours (70% volume)
Standby time: more than 80 hours
Battery capacity: 40mah *2
Microphone sensitivity: -42±3db
Charging bin capacity: 700mah