Voice Noise Reduction : ENC
Charging time: 2 hours
Music time: up to 23 hours (depending on volume level)
Chip: AD6973D8
USB port : Type-C
Headphone battery: 40 mAh*2
Charging dock battery: 300 mAh
Audio code: AAC SBC
Diaphragm: 8mm
Bluetooth version : v5.3
Speaker frequency: 20hz~20khz
Sensitivity: 102dB
Impedance : 16Ω
Input Voltage / Current : 5V/500mA
Headphone size 19.5*17*21.3 (mm)
Charging base size 48*48*29.5 (mm)