FRAZCOM Bluetooth Headset possesses wireless music, calling, and MP3 function, compatible with TF card and 3.5mm input. The RGB LED embedded can blink and changes color with the rhythm. Ear cushion design with highly quality stereo sound allow you enjoy music anytime and anywhere. The headband is adjustable and stretchable for you to find the desired angle you like to fit in. It build in 150mAh rechargeable battery 10 hours of music time, 2 hours Fast Charing. After 10 hours of playtime, you can switch to wired mode and enjoy your music non-stop.