beFree Sound Earbud Noise Canceling Headphones

Connects to any blue tooth enabled device,built in Mic for hands-free call functionality, clips easy hold ear buds in place, full audio control through easy to press buttons, vibrating notifications alert calls and messages, get the perfect fit with 3 size ear bud cushions, lightweight and durable behind the neck fit accessories: 3 different sized ear bud cushions, USB charging cable, instruction manual specifications: blue tooth: 4.0,talking time: up to 10 hrs., music play time: up to 8 hrs., standby time: up to 300 hrs., charging time:<2 hrs., battery: 3.7 v/180 mAh.