Senbowe&trade;Professional Bluetooth Headset for Car + 13 Hours Talking Time, Over-the-Head Driver's Rechargeable Wireless Earphones Headphones with Microphone, Noise Cancelling Up to 13 hours talking time and 200 hours standby time. Connect two devices simultaneously,easy to switch each other,only allows to talk either device Skin-friendly soft ear cushion give you an ultra fashion, compact and comfortable experience. Compatible with the iPhone,Samsung,HTC and othe bluetooth-enabled devices Specially designed and very comfortable with calling, not for music. Can't use for hearing music!!!