Original Xiaomi Bone Conduction Earphones 2 bluetooth Headphones Built-in 32GB Memory IPX68 Waterproof ENC HD Calls ComfFeatures 1 Innovative Open Ear Design Non intrusive wearing keeps ear canals breathable for safer listening during workouts 2 ErgonomicComfortable Fit High performance titanium alloy frame anti pressure and anti deformation lightweight Skin friendly silicone ear hooks cloud wrap design pressure free even during long wear sweat resistant 3 Multi FunctionWaterproof Physical anti slip buttons waterproof and anti misoperation IP68 waterproof and dustproof suitable for swimming 4 Dual Playback Modes Bluetooth connectivity or built in 32GB storage for offline playback 5 SUUNTOapp Sports Algorithm Professional swimming training support with triple sound modes daily outdoor swimming … $129.99Banggood.comDelivery: in USA ReportBuy!