Model:W40
Bluetooth Chip: JL6973
Bluetooth Version:V5.3
Transmission Distance:10m
Drive Unit:16.2mm
Working Frequency:2.402GHz-2.480GHz
Impedance:20Ω± 15%
Sensitivity:123.8db±3
Battery Capacity:85mAh
Charging Box Capacity:400mAh
Charging Box Capacity Time:2H
Music Time:About 10-12H (80% volume)
Talk Time:About 9.5-10H (80% volume)
Standby Time:About 120days
Input voltage: Type C;DC 5V
Support Bluetooth protocol: A2DP1.3/AVCTP1.4/AVDTP1.3/AVRCP1.5/HFP1.5/SPP1.0/S
MP/L2CAP4.2