1.Bone Conduction Wireless Hanging Neck,Lasting endurance, shock and create Seiko. 2.Shocking Sound Quality Sound track Around The ear.Long structure loud speaker increases the veneer area and makes sound transmission more effective. 3.120 Day Long Standby Continuous Talking And Listening,To Music For11 Hours.Built in 150 mA battery,can talk continuously for l1 hours.Super long standby for 120 days. 4.Bending Without Deformation Headphones Can Also Do Difficult Movements.10000 bending tests without deformation Flexible and stronger. 5.Blue Tooth 5.0 Smoother Connection.New version of Bluetooth chip, power on for seconds. Listen to songs, make calls more stable and voice clearer. 6.Don't Listen To Music You Can't Get Rid Of It.Reducing the pressure inside and outside the ear has little effect on hearing loss and increased comfort. 7.Fearless Sweat And Rain.Born For Sports,With waterproof coating to prevent daily rainwater infiltration,skin like material Simply wipe it off.