Untether yourself from the 3.5mm shackle, avoid the tangle of wired headphones, go wireless! A lightweight and comfortable addition to any commute or work out, these earphones is adaptable to the unique shape of your ears. Excellent noise isolation, and the feeling of nothing being between you and your music. Dual Battery 110mAh polymer lithium battery, in full power condition, can stand for 10 days.Play music / talking up to 8-10 hours (40% volume), equivalent to 160-200 songs. IPX-5 Waterproof Certification All-weather sports partner, authoritative test lab test criteria: simulated rainstorm environment, from various angles. Hold 3min splash on headphones at 30KPa water pressure. Bluetooth 4.1 Bluetooth 4.1 audio with A2DP, faster pairing, connect to two smartphones at once. Up to 33ft wireless range. Compatible with iOS, Android, and Windows, and other Bluetooth enabled devices. Magnetic Elegance Stable Wearing Inspiration from Shark Fin. The unique design of hanging ear movement, 3D three-dimensional molding, from shark fin inspiration, bring the more powerful movement of genes. PREMIUM PACKAGING AND PREMIUM QUALITY ACCESSORIES - 1 Year Warranty What's in the Box: 1. Bluetooth Headphones 2. Charging Cable 3. 3 Sets of Ear Tips - Small, Medium, Large 4. Cable Management Clip 5. User Manual