xaccessory Bluetooth Sport Headband Earphones Sweat absorption Sportcap Bluetooth Hat Running Headband Music Headband Bluetooth Sleep Headband Sleep Headphones Headset Running Headgear With Microphone for Handsfree Call Answering (Medium Size - One Size Fits Most) (Black) 1.Headband with Bluetooth 3.0+EDR technology,compatible with most Bluetooth devices,such as samsung pro,iPhone Pro etc. 2.The headband made by comfortable sweat absorption knitted material with very fashion appearance,for listening wireless music and answering the phone call conveniently. 3.Headband with built-in Microphone,can be used for mobile phone hands-free system,easy to dial or answer calls.Easy Push Button Control. 4.Built in high-capacity lithium battery,multi circuit protection,and can be recharged through the USB port. 5.The most comfortable headphones to wear for runing or sleeping.Support for displaying Bluetooth Headset battery capacity on Apple mobile phones.