Bluetooth Earphones Wireless,Bluechip AWEI Neckband Bluetooth Headphones Wireless with Extra Deep Bass and HD Microphone(Black) Main Features: - Neckband Designed Around-the-neck wearing design with the body-contoured fit, ensures a comfortable fit especially when you are running or exercising, easy for carrying - HD SoundPerformance dynamic driver system, custom permanent magnet high-performance moving coil unit. Enjoy an extraordinary music feast- Fast Connection With Bluetooth 4.2 technology is faster than other devices, the transmission distance is up to 10m. Compatible with a variety of Bluetooth devices- Magic Magnet Attraction TechnologyGently absorb or separate to turn the earphones on/off, abandon traditional button, novel and simpleIts magnetic attraction design function can connect 2 earphones easily. It's convenient when not in use could avoid loss meanwhile it could be a cool amazing accessory for fashion users- Hands-free CallWith a sensitive built-in microphone and CVC6.0 noise canceling technology, you can make hands-free phone conversations easily- Long Battery Life Built-in 110mAh Li-ion battery, 5.5 hours music time, 6 hours talking time, 2 hours charging time. The headset will be auto power-off if disconnects in 3 minutesSpecifications:- Material: CNC metal + ABS + TPE + silicone- Bluetooth version: V4.2 version- Bluetooth protocol: HSP, HFP, A2DP, AVRCP- Transmission distance: 10m (without distractions)- Power supply: built-in 1 x 110mAh rechargeable Li-ion battery- Audio track: stereo- Charging time: 2 hours- Talking time: 8 hours- Music playing time: 8 hours- Stand-by time: 200 hours 0.0700 Package weight: 0.096 kg  Package Size(L x W x H): 22.00 x 14.30 x 3.10 cm / 8.66 x 5.63 x 1.22 inches  Package Contents: 1 x Earphone, 3 x Pair of Earmuffs, 1 x USB Cable