MERCURY COZY PRO - Headphone Wireless Revolution

Specification:
Model: cosy pro
BT: V5.0
Chip: Realtek 8763BFR
BT working range: 30m
Frequency response: 20-20000Hz
Sensitivity: 96±3dB
Impedance: 32Ω
Battery capacity: 800mAh
Working time: 35 hours
Charging time: about 1 hours
Charging voltage: micro USB 5V
Color: Black
Headphone weight: 4g 
Package size: 22.0 * 6.0 * 5.0cm
Package weight: 248g

Specification:
Model: cosy pro
BT: V5.0
Chip: Realtek 8763BFR
BT working range: 30m
Frequency response: 20-20000Hz
Sensitivity: 96±3dB
Impedance: 32Ω
Battery capacity: 800mAh
Working time: 35 hours
Charging time: about 1 hours
Charging voltage: micro USB 5V
Color: Black
Headphone weight: 4g 
Package size: 22.0 * 6.0 * 5.0cm
Package weight: 248g