Sport Wireless Headphones Stereo Bluetooth Headset,SOLEMEMO Bluetooth 4.0 Exercise/Running/Jogger/Sports/Gym/Hiking Headsets Earphones Earbuds with Clear Sound,Hands-free Calling,and In-ear Design(Red) The flexible ear loops can be easily adjusted according to your ear size.With in-ear style of innocative ergonomic design and the siamesed ear clips can stay in the ears comfortablely. Bluetooth headset can be used as both as a twin head set using the supplied wire or by removing the connecting wire use as a single earpiece.With its fashinable appearance and built-in CSR8635 prefessional music bluetooth chip with HIFI Stereo earphones, you can always enjoy HD quality/Double ears piece 3D stereo sound.Clear sound and noise Cancellation. Built-in twin rechargeable Grade A polymer 105mAh battery provide up to 6 hours of music, 6.5 hours hands free call time and up to 240 hours of standby time,Which makes you do not worry your bluetooth headset devices runs out of juice when you're enjoying camping, hiking or other great outdoor activities. The built-in Mic with voice prompts and voice message can answer incoming calls.Can connect to two Bluetooth devices at same time.Intelligent operation,experience the convenient of sport :play/pause , Volume +/-, and next/previous track buttons, super easy operation. Compatible with iPhone 6,6 Plus,5S 5C 5 4S 4, iPods,Samsung Galaxy Note 3, Note 2, S5 S4, S3, S2 Most Android Smart Phones and other Bluetooth-enabled tablets.