Features:* Adopting advanced BT 5.1 chip, the earbuds provide quick pairing, fast transmission speed, stable connection and low power consumption.* Composite diaphragm woofer combined with AAC decoding, delivers 8D surround sound quality and rich bass. Lossless noise reduction offers clear call.* Various operations can be done easily via button control, such as song switching, volume adjusting, play/pause music, answer/hang up/reject call, etc.* LED-digital display, shows clearly remaining the battery level of charging case. Colorful breathing light brings cool and wonderful using experience.* Ergonomic in-ear design, compact and lightweight, fits well the ear canal, ensuring wearing comfort for a long time.* IPX4 waterproof level allows you to deal with daily sweat, raining or other water splashing easily. Enjoy sports freely.* The left and right earphones can be used together or independently, and widely compatible with iOS / Android devices.Specifications:Model: Y80Material: ABSColor: BlackBT Version: 5.1Earphone Battery: 30mAhCharging Box Battery: 200mAhTransmission Distance: 10mCall Time: about 3HPlay Time: about 2.5HStandby Time: about 80HCharging Time: about 1H (earphones); about 1.5H (charging case)Waterproof: IPX4Charging Case Size: 60 * 47 * 25mm / 2.36 * 1.85 * 0.98inItem Weight: 34g / 1.2oz (with charging case)Package Size: 14 * 7.9 * 3.6cm / 5.51 * 3.11 * 1.42inPackage Weight: 58g / 2.05ozNote:* Please read the user manual carefully before use.* There may be slight errors due to manual measurement.Package List:1 * BT Earphones1 * Charging Box1 * Charging Cable1 * User Manual (Chinese, English)