Specifications:
Color: Black/White
CPU frequency: 96MHz
Working Voltage: DC 2.2V-5.5V
SNR: > 92dB
Effective Distance: Barrier-free 10m
Frequency response range: 20Hz-20KHz
Sensitivity: 98dB
Nominal impedance: 32Ω
Transmission power: Class 2
Headphone battery capacity: 50mAh
Charging bin battery capacity: 4
Charging input: 5V/500mA
Charging time: about 1 hour
Use hours: 4-7 hours of call, 3-4 hours of music playing
Standby time: 10-15 days
Packaging size: 140*120*40mm/5.52*4.73*1.58"
Weight: 97g
Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.

Included:
2 X Earphones
1 X Charging Box
1 X Charging Cable
1 X Manual