Bluetooth Headset MP3 player

1. Bluetooth + MP3 function support stereo music playing, phone calling...2. Support all audio devices that have Bluetooth capability, such as, cell phone ,tablet PC,laptop,computer etc.3. 3.5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth.4. Allow you to answer or reject phone calls anytime and anywhere.5. Charged via USB, rechargeable battery, convenient and practical.6. Playing time up to 15 hours, and continue talk time up to 10 hours, standby time up to 250 hours.7. Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry.8. Best choice for listening music, watching movie, chatting online etc.9. with SD card insert,without any bluetooth device,can still enjoy music any time any where.10.Cool shinning look adds the popular feel.       1.How to charge this headset?Connect your computer and headphone with the USB cable. 2.How to start the headset and listen the music on the computer?Please be su