p>Hey, sports and music enthusiasts, what do you want form a headset? High-fidelity? Noise-cancellation? Wireless? Sweat-proof? Not fall out when do sports? Durable power for your long sport activities? Convenient to take call, skip tracks and control volume? Let me satisfy you, look at this fantastic headset. It is your best company when you are doing run, hiking, jog, yoga and so on outdoor or indoor activities. You will be eye-catching.
Parameter
Version: V4.1
Charging: power adapter output (DC5V 150mA)
Battery: High-capability recharegeable lithium polymer battery
Profiles Supported: Headset/Handsfree/A2DP/AVRCP/APT-X
Bluetooth operation: class 2
Talk time: up to 8hrs
Playing time: up to 8hrs
Standby time: up to 180hrs
NOTE
:( This little fellow can only speak Chinese (The voice command is Chinese) But this is not a problems because it does not affect its main functions.
Here I can be a translator for this little fellow :)
When the headset is on, there will be the automatic voice command: power on
When the headset is off, there will be the automatic voice command: power off
When being connected successfully, there will be automatic voice command: your headset is connected
When being disconnected, there will be automatic voice prompt: your headset is disconnected
When the battery is low, there will be voice prompt: battery low
Just regard it as your Chinese friend :)

• Enjoy clear and surround stereo music and take call, skip tracks, control volume with a quick tap of your headset. Wireless voice chat on MSN, SKYPE
• Breakthrough Bluetooth 4.1 technology: High-fidelity, NFC, Strong signal, Fast transfer speech, and Low power consumption
• Ergonomics, considerate and sweatproof design for comfort and anti-fatigue. A behind-the-ear shape design, locks in- won't fall out, enjoy freedom and move freely
• Durability. Up to 8 hrs play & talk time and 180 hrs standby time, never worry this headset will be out of juice in your daily life
• Universal device compatibility: compatible with most Bluetooth devices, and reduce white noise. Indicate battery status in IOS system.

Enjoy clear and surround stereo music and take call, skip tracks, control volume with a quick tap of your headset. Wireless voice chat on MSN, SKYPEAihontai