TSL-510

Bluetooth Version: V5.3 + EDR
Battery: 150mAh lithium battery
Transmission Distance: 10 meters
Usage Time: 4 hours
Standby Time: 300 hours
Charging Time: 2 hours

Headphone Specifications:

Speaker: Φ40mm
Sensitivity: 110±3dB S.P.L at 1KHz
Impedance: 32Ω
Frequency Response: 20Hz–20KHz