The TWS (true wireless stereo) earphone brings you extraordinary music enjoyment and allows you to have hands-free phone calls. Comes with a charging box to provide backup battery for your earphone, no worry about that it will be out of power. Ergonomically designed earbuds enhance long-lasting wearing comfort. It is great for businessmen. Bluetooth 4.2 version, fast connection and low consumption Adopt True Wireless Technology, enjoy your wirelessly sports Built-in active noise reduction circuit, blocking outside noise nuisance With charging box, provides fast charge for your earphone Strong compatibility, compatible with devices as long as they are Bluetooth-enabled Compact and light-weight design, store your earphones inside the charger box for convenient carrying