TWS

Bluetooth version: 5.0
Chipset: AB1532
Bluetooth profile: A2DP,AVRCP,HFP,HSP
Operating frequency range: 2.4-2.48GHz
Receiving distance: about 10m
Speaker: φ6mm
Frequency response: 20Hz-20kHz
Impedance: 16Ω
Sensitivity: 92±3dB (At 1000Hz)
Maximum power: 4mW
Battery capacity: 2x40mAh + 400mAh
Working time: up to 4 hours
Charging times of box: 4 times
Charging time: about 2 hours