Great Sound, Great Fit 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, the BX343 is adaptable to the unique shape of your ears with 3 included ear-tip sizes and stable-fit ear-supports. With a comfortable, secure fit comes great sound, excellent noise isolation, and the feeling of nothing being between you and your music. Dual Battery Use 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 Experience the latest Bluetooth 4.1 audio with A2DP, improved connection stability, faster pairing, lower latency, and lower power consumption from connected devices (like your phone) when wirelessly streaming audio. Up to 33ft wireless range. Compatible with iOS, Android and Windows, and other Bluetooth enabled devices. Magnetic Elegance The BX343 are the ideal companion for those who demand great audio quality, thoughtful product design, and versatile wireless earbuds. Stable Wearing Inspiration from Shark Fin The unique design of hanging ear movement, 3D three-dimensional molding, from shark fin inspiration, bring more powerful movement of genes. We Provide One Year Warranty Service What’s in the Box: 1. Bluetooth Headhpone 2. Short Charging Cable 3. 3 Sets of Ear Tips – Small, Medium, Large 4. Cable Management Clip 5. User Manual 6. Free Gift-LED Flashlight This is A High Quality And True IPX5 Waterproof Wireless Bluetooth Earphone If you do not like this bluetooth earphone, please . Let us intruduce more earphones for you.