This wireless-earphone adopts BT5.0 version, which can provide clearer sound and more stable signal, suitable for most BT-enabled devices. It comes with a charging case which has large battery capacity. It is IPX4 waterproof and very convenient to use, bringing you wonderful HD audio.<br/>Features:<br />Ergonomically designed, comfortable to wear and not easy to fall out.<br />Comes with a charging case which has large battery capacity and can also work as a storage box.<br />Smart pairing once taken out from the charging case.<br />Employed BT5.0 technology, which provides more stable connection with signal coverage up to 12 meters.<br />Quality speaker brings high definition sound, enjoy pure music.<br />Fast charging and up to 50 hours of standby time.<br />IPX4 waterproof, no worry about sweat and rainy days.<br/>Specifications:<br />Model: VYN-508<br />Color: Black / White (Optional)<br />BT Version: 5.0<br />Material: ABS<br />Earphone-battery(Each One): Polymer Lithium-Battery 50mAh<br />Charging-box-battery: Polymer Lithium-Battery 400mAh<br />Talking/Music Time: approx. 5 Hours <br />Standby Time: approx. 50 Hours <br />Charging Time: approx. 1.5 Hours<br />Charging Voltage: DC 5V<br />Operation method: Tap operation<br />Waterproof Rating: IPX4<br />Frequency: 2.4GHz<br />Sensitivity: 100dB<br />Supporting Agreement: HFP/A2DP/AVRCP<br />Impedance: 32Ω<br />Signal Range: 12 meters<br />Item Size:  9.6 * 9.6 * 3.2 cm /  3.77 * 3.77 * 1.25in<br />Item Weight: 70g / 2.46oz<br />Package Weight: 75g / 2.64oz<br />Package Size: 13 * 6.5 * 3.5cm /  5.11 * 2.55 * 1.37in<br/>Packing List:<br />1 * Charging Case<br />2 * Earphones<br />2 * S-size Ear Tips<br />2 * L-size Ear Tips<br />1 * Type C Charging Cable<br />1 * User Manual