Key Product Specifications:

Bluetooth Version: Bluetooth V4.0 Bluetooth
Input: Micro USB for chargingOutput Power: 10mw
Transmission Distance: 30ft (10m) (Barrier-free Space)
Battery: 65mAh
Play Time: 7 hours talking time; 5 hours for music
Charging Time: 2 hours
Driver Specification: Diameter 10mm
Max Sound Level: 110dB±3dB
Impedance: 16Ω±15%
Frequency Response: 20Hz-20kHz
Dimensions (Cord Length): 23 inches
Weight: 17g

What's in the box:

1 Aerial Bluetooth Earphones
3 Pairs of rubber ear pads
1 Micro USB charging cable
1 Stability clip
1 User manual