Specification:
Model:MX-WL85
Wireless version: 5.3+EDR compatible
Speaker size: 40mm
Wireless distance: 10m
Talk time: 15H
Standby time:90-180 day
Charge time: 3H(Type-C)
Battery:DC3.7V/ 400mAh
Frequency range: 2.402GHz -2.480GHz
Frequency response: 20hz-20khz
Supports wireless protocols: AVRCP 1.0/GAVDP 1.0/AVDTP 1.0/A2DP 1.0