- Type : Bluetooth Headset - Support : TF Card - Music time : 6 hours - Charging time : 2-3 hours - Operation range : 8-10 meters - Talking / Music time : over 6hrs - Charging time : 2-3h - Battery capacity : 400mAh - Support TF card to play music, A light weight neckband provides support, multi-size Eartipsand wingtips deliver a tailored fit, the earpods shape earplug offers a secure hold. - Magnetically clip together for simple storage. - Led indicator to show pairing, connecting, play music and charging status. - Thanks to the sweat-resistant materials it is practical to wear whilst working out. - Removable loops at both ends of cable help to adjust the cable length thus avoid noise caused by cable swing. - A full charge (2-3 hours) provides enough juice for 6 hours of audio or talk time.