This type of waterproof Bluetooth headset applied the newest version 4.1 and chipset NICE18, waterproof grade reach to IPX8, you can use it while you are swimming. Used the international top CSR Bluetooth chipset and apt-X audio decoding technology, has a waterproof standard plug, sealed key buttons, anti-water structure, re-circulating cavity design, you don’t need to worry about rain, fog, dust storms any more, even underwater sea world, this waterproof bluetooth headset can make you enjoy the perfect quality music anywhere realizable.