Compatible Devices :
Compatible with all Bluetooth Enabled Devices
Other Features :
Bluetooth Version: 5.1, Working Range: 10m, Support Protocol: A2DP/AVRCP/HFP/HSP, Frequency Response: 20Hz-20KHz, Music Time: About 3h, Talk Time: About 3h, Stand-By Time: 100h, Charging Time: 1h, Charging Port: Micro, Impedance: 32Ohm, Earphone Battery: 30mAh*2, Case Battery: 300mAh, Built-In: Microphone, Sensitivity: -85dBm