Product Specifications:
Bluetooth Version: 5.5
Speaker Unit: 16mm Moving Coil Unit
Frequency Response: 20Hz - 20kHz
Sensitivity: 105dB
Impedance: 32Ω
Microphone Sensitivity: -38dB
Headphone Battery: Lithium-ion Polymer Battery (70mAh, 3.7V)
Headphone Charging Time: Within 2 hours
Charging Compartment Battery: Lithium-ion Polymer Battery (300mAh, 3.7V)
Charging Compartment Charging Time: Within 2 hours
Music Playback Time: Up to 5 hours
Standby Time: Approximately 260 hours