Features:
Sport type back-hang on-ear design. 
Mini foldable pocket size， easy to carry. 
Soft comfortable sponge earmuffs for long wear.
Meet the ergonomics design， perfect construction. 
High fidelity and stereo model. 
Intelligent built-in microphone and speaker. 
Equipped with high-grade CSR Bluetooth V3.0 Chipset.
Low power consumption and support hands-free function.
Equipped with a micro USB charging port and can be easily charged by computer or any other device with USB interface. 
Easily control adjusting the volume， previous/next songs， answering/rejecting/ending an incoming call and redialing the last number. 
Practicably engineered for sports such as， running， jogging， or doing handstand push-ups and the headphone will not fall off. 
 
Specifications:
Bluetooth version: Bluetooth V3.0 + EDR
Bluetooth profile: HSP/HFP 1.5. A2DP， OPP， AVRCP 
Frequency range: 2.400-2.483GHZ
Li-polymer battery capacity: 180mAh
Operation range: ≤ 10m
Standby time: ≥ 180 hours 
Charge time: ≤ 2.5 hours
Talking time: ≥ 8 hours
Music time: ≥ 7 hours
Color: Red，Black (optional)
Speaker diameter: 4.5cm/1.77inch  
Item weight: 1.48oz/42g
Package size: 16.8 * 11.0 * 6.0cm/6.61 *  4.33 * 2.36inch 
Package weight: 109g/3.84oz
The USB charge cable length: 76cm/29.9inch
 
Compatible models: 
Perfectly compatible with Smart phones， Tablets， PC and all other Bluetooth-enabled devices   
 
Package List:
1 * Wireless Sport Stereo Bluetooth Headphone 
1 * USB charge cable 
1 * English User Manual