Features: 1. EASY TO USE: automatic power on and pairing after you take the earbud out of the charging box; practical and convenient. 2. CHARGING BOX: comes with a 130mAh capacity charging compartment; highly suitable for various outdoor sports like hiking, camping, mountaineering and so on. 3. LIFE WATERPROOF: total worry-free use during daily hand washing and rain; not suitable for swimming, diving and showering. 4. ERGONOMIC DESIGN: provide you with comfort and ease; long time painless wearing without fatigue. 5. MULTI FUNCTION: sedentary reminder, sleep data record, magnet adsorption charging, APP/SMS message notification, remote control camera, etc. Specifications: Color:Black, gold, blue For Bluetooth version:5.0 Battery:55mAh (earbud), 130mAh (charging box) Duration:3-4 hours Earbud charging time:3 hours Waterproof:IPX6 water resistant level Package list: 1 x User manual 1 x USB charger cable