Features:
High capacity, long working time and energy saving.
Super slim and tiny, very convenient for using.
Support CVC denoise, clear and Hi-Fi sound.
Capacity display for iOS devices.
Support Chinese and English voice prompt.
Support caller ID readout.
Compatible with most of cellphones and tablets which support Bluetooth function.

Specifications:
Model Number: AX-05
N.W.: 6.5g
Capacity: 55mAh
Impedance: 32Ω
Sensitivity: 105dB
Bluetooth Version: 4.1 + EDR
Frequency: 20Hz-20kHz
Working Range: about 10 meters
Standby Time: about 60 hours
Calling Time: about 3 hours
Music Time: about 3 hours
Charging Time: about 0.5-1 hours  
Denoise: CVC 6.0
Protocol: A2DP, AVRCP, HFP, HSP
 

What's in the package:
1 x Bluetooth Earphone
1 x Micro USB Cable
1 x Ear Hook
1 x Ear Cap
1 x User Manual