Wireless version: Jerry AC6973 version 5.3

Frequency response: 20Hz~20kHz

Transmission distance: 10 meters

Battery capacity: Charging compartment: 200mAh Headphones: 30mAh

Charging voltage: 5V

Charging time (charging box): about 1.5h; 

Headphones: about 1.5h; 

Music play time: about 8 hours (50% volume)

Talk time: about 6 hours

Speaker material: composite film

Frequency response range: 100Hz-10kHz

Headphone sensitivity: 107dB ± 3dB

microphone sensitivity: -42dB±3dB

speakers: Φ13mm

Bluetooth pairing name: VIDVIE-BT875

New private model design; Semi-transparent cover design