Communication System: Bluetooth 5.0 (CSR 8635)
Drivers: Ø40mm Driver Units
Supported Decoder: SBC、AAC
Frequency Response: 20Hz-20,000Hz
Support Profile: A2DP、AVRCP、HFP、HSP
Impedance: 32Ω
Sensitivity: 110dB/1KHz
Earphones Battery: 1000mAh Li-ionBattery
Max Play Time: About 30 Hours
Max Stand By Time: About 25 Days
If Charging Time: About 3 Hours