Wireless Bluetooth Headphone - support SD card with mic

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 10 hours, and continue talk time up to 8 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. The Best choice for listening to music, watching a movie, chatting online etc. 9. with SD card insert, without any Bluetooth device, can still enjoy music any time anywhere. 10.Cool shinning outlook adds a fashionable feel.   Specification Version V5.0 Frequency 2.40GHz-2.48GHz Power ≤ 4 dBm, class 2 Effect