Product feature and specification:    
Design features:    
intelligent control， touch mode， hanging neck strap， stereo    
Color:    
black， silver， blue， gold    
Hardware configuration:    
Chip : CSR8635 stereo    
Split : dual headphone headset    
SMD fidelity microphone MIC    
I / O Interface : 5PIN IO Interface    
charge indicator : Support color    
Connectors LED :support color    
Answer / end: button support    
Play / Pause: button support    
Switch  : turn key support    
Volume Control :High Sensitive touch control    
Hall control : standby / suspend / end    
Equipped with a transparent manner halter strap bracket    
Product performance:    
Bluetooth : Bluetooth V4.0    
Bluetooth protocol  :HFPV1.6， HSPV1.2， A2DPV1.2， AVRCPV1.4， DI V1.3    
Transmission power :support CLASS1 / CLASS2 / CLASS3 maximum adjustable 8dBm    
Frequency range  : 2.4GHz-2.480GHz    
High-fidelity stereo audio performance : support for AAC， MP3， SBC， APT-X    
Audio SNR : greater than or equal to 74dB    
Wireless transmission distance : 10 m    
Battery : 150mAh    
Charging time : 1.0-1.5 hours    
Call music : 7-10 hours    
More than 200 hours of standby time    
Support power display， one with two vibration reminders    

Package include:    
1x Headphone    
1x Data cable    
1x Transparent frame    
1x Ear cap    
1xUser Manual