Bluetooth Version 5.3 (JL)

Transmission Distance:  more than 10m

Normal charging time: 2.5 hrs

stand by time:100hrs

Music Time: 8hrs , Calling Time:9hrs

Battery Capacity 300mah for the base

Driver unit:40mm

Impedance:32ohm

Sensitivity:96db s.p.L At 1khz

Frequency response:20-20khz