--Built-in 300 mAh high-capacity battery: providing you with battery life protection anytime, anywhere
--IPX7 waterproof: adopts nano-coating technology, waterproof and sweat-proof, can be immersed in water
--Intelligent digital display: Bluetooth-compatible headset LED digital display, long battery life, high-frequency stereo
--connect two Bluetooth-compatible devices at the same time, switch to play games at any time, and answer the phone correctly;
--Packing size: 13 x 8 x 3cm