Andoer SSA Wireless Waterproof Bluetooth Sports Earphone Headset Headphone for Cellphone PC Swimming Skating (Yellow) Bluetooth V2.1 + EDR, operation distance up to 33 feets(10 m). Adorable appearance with in-ear design, easy to wear and comfortable wearing feelings. Waterproof earphone, can be used during skating, swimming, skiing and other sports, up to 3 meters under water. Calls can be answered or rejected by pressing the on/off button.High fidelity tone quality brings you the endless music enjoyment. Built-in rechargeable battery, up to 6 hours working time.LED indicator light flashes in red for charging and blue for fully charged.