ITEM NAME:B-01 New Wireless Sports Bluetooth Headphones Hanging Sports In-ear Earphon B6N7 B-01 New Wireless Sports Bluetooth Headphones Hanging Sports In-ear Earphon B6N7 long wear is not easy to lose the exercise is not easy to lose: the head of the headset uses a high-intensity magnetic design, when not in use, just close to the host body on both sides of the earphone slot, can be absorbed into the earphone slot, beautiful and no longer entangled Songla Headphones and trouble soft and not deformed Sport neck-mounted magnetic Bluetooth headset, Sealed anti-sweat design Built-in vibrator, Bluetooth connection, the incoming call headphone shake, does not let you miss a call, built-in voice prompts, intimate tips, easy to use One for two intelligent connection, stable performance, faster transmission speed, simultaneous connection of two devices, switching at any time, play games to answer the phone correctly Bluetooth Project: Jerry Bluetooth version: 4.2 Working distance: 10m Talk time: 3-4 hours Music time: 3-4 hours Battery capacity: 120mA Color: red material: ABS Package Contents: 1* headphones 1* charging line 1* instructions 1* size earbuds Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.