?<strong>Features:</strong><br /> Bluetooth V2.1 + EDR， operation distance up to 33 feets(10 m).<br /> Adorable appearance with in-ear design， easy to wear and comfortable wearing feelings.<br /> Waterproof earphone， can be used during skating， swimming， skiing and other sports， up to 3 meters under water.<br /> Calls can be answered or rejected by pressing the on/off button.<br /> High fidelity tone quality brings you the endless music enjoyment.<br /> Built-in rechargeable battery， up to 6 hours working time.<br /> LED indicator light flashes in red for charging and blue for fully charged.<br /> <br /> <strong>Specifications:</strong><br /> Color: Yellow，<span style="">Black(Optional)</span><br /> Waterproof level: IPX8<br /> Device type: Bluetooth headset<br /> Bluetooth: Bluetooth V2.1 + EDR<br /> Distance: 10m in open area<br /> Power: Built in 3.7V Li-Polymer rechargeable battery<br /> Working time: Up to 6 hours<br /> Standby time: Up to 20 hours<br /> Waterproof: Up to 3m<br /> Package size: 15.8 * 14.8 * 4cm / 6.22 * 5.82 * 1.57in<br /> Package weight: 147g / 5.17oz<br /> <br /> <strong>Package List:</strong><br /> 1 * Wireless Bluetooth Waterproof Sports Headset<br /> 1 * USB Charging Cable<br /> 1 * User Manual (English)<br /> 5 * Earplugs in Different Sizes(pairs)<br /> <br /> <strong>Operation:</strong><br /> Long press ON/OFF button for 5 seconds to switch on.<br /> Press ON/OFF button for 3 seconds to pair (LED indicator flashes in red and blue alternately).<br /> Launch cellphone/PC bluetooth to search till LED indicator flashes in blue slowly.<br /> Press ON/OFF button to answer phone calls， long press ON/OFF button for 2 seconds to refuse or end the call.<br /> Press ON/OFF button twice to call the latest calling in number.<br /> <br /> <strong>Note: </strong><br /> Waterproof to a depth of up to 3 meters， while Bluetooth can apply only on the surface of water.