With basic functions: answer / reject / make phone calls; Listen to music;  Call vibration function and new separate design; Fast charging and long standby time up over 200 hours; It is in accordance with Bluetooth V3.0; Stereo Bluetooth earphone; Provide clear and high-quality sound effect; Wear-resistant and adjustable rubber watchband, comfortable to wear; Specially designed for businessmen, tourists, fashionable persons and so on; Portable, practical and fashionable design with watch style