Chipset Information: Bluetrum AB5656C
Bluetooth Version: V5.3
List of Bluetooth Protocols: A2DP/AVRCP/HFP/HSP.
Working Range: 10m
Earbuds Battery: 30mAh
Charging Case Battery: 200mAh
Charging Time for Charging Case: About 1H
Charging Case for Earbuds: About 3 times, 1H each time.
Playing Time: About 4H, @70% Sound Volume
Speaker Driver Diameter: Φ7mm
Impedance: 16Ohms
Frequency Range: 20Hz~20kHz
Sensitivity: 95+/-3dB at 1kHz/1mW
Rated Power: 3mW
Maximum Power: 5mW