Product name: A1-tws
Bluetooth version: 5.0+EDR
Headphone capacity: 50 mAh
Charging compartment capacity: 1500 mAh
Standby time: 80 hours
Headphone charging time: 30 minutes
Charging time of charging case: 2-3 hours
Talk time: about 4 hours
Music time: about 3.5 hours
Speaker specifications: diameter 8mm
Impedance: 32 ohm
Sensitivity: 108 dB
Frequency range: 2.402GHz 2.480GHz
Transmission distance: 10 meters
Operating temperature: minus 10*-50°