•Lightweight fuselage design eliminates the in-ear front cavity structure. Streamlined design,fit your ear well and feel comfortable•Strong battery life,built-in with 230mAh new polymer battery•Small size dynamic oscillator Hifi technology is adopted. Fully enclosed cavity inhibits sound leakage. 9D surging sound effects,give you the experience of the live version•Upgrade Bluetooth-compatible 5.0 to provide excellent frequency stability. Faster propagation,more stable,strong compatibility•Built-in large capacity memory,can store multiple pieces of music in motion. Get rid of your cell phone completely•Integrated titanium alloy frame,high strength memory titanium wire. Contorted without deformation,covered by silicone gel,skin-friendly•The body has four gold-plated electric touch design,charging and transmitting data in one go. Deep gold plating process,effective sweat and corrosion resistance•IPX8 level waterproof,fully sealed design. Easy to handle soaking water,support 30 meters depth waterproofSpecifications:r•Material: ABS,Silicone,Memory Wire•Bluetooth-compatible version: V5.0•Channel Mode: 2•Speaker size: Oslash;15mm,32Ω 1W•Bluetooth-compatible distance: 10m•Frequency: 20HZ-20KHZ•Charging parameter: 5V/0.5A MAX•Battery capacity: 230mAh•Playing time: 5-8 hours•Waterproof level: IPX8•Product size: 140*105*50mm•Product net weight: 36gPackage included:r•1 x Bone Conduction Headphoner•1 x Charging Cabler•1 x English and Chinese User Manualr•Other items not include