GBtiger Portable Wireless Bluetooth Speakers, IPX6 Waterproof Hifi Speaker with 10W Enhanced Bass, Dual Channel Stereo, Auto Shutdown Mode for Outddor, Indoor, Travelling(Green) GBtiger Portable Wireless Bluetooth Speakers, IPX6 Waterproof Hifi Speaker with 10W Enhanced Bass, Dual Channel Stereo, Auto Shutdown Mode for Outddor, Indoor, Travelling Fashionable & High-end Equipment - this wireless bluetooth speaker can not only satisfy your own awesome music enjoyment need but also can be used as a creative present for friends; Portable GBtiger V3 Bluetooth Speaker - Simply and stylish, Ultra-slim Design, Can be hooked on your backpack. Enjoy wireless music all the time. High-quality Sealing Silicon Sheet - The use of high-quality silicone fully surrounded the edge, effective waterproof level to IPX6, so you can enjoy the wonderful music in the bath; IPX6 Waterproof & Drop Resistance - Water-resistance function can easily cope with outdoor environment; Bluetooth 4.0 Technology - for lower energy consumption but more stable connection and faster transmits speed, wireless operating distance is up to 10m; Broad compatibility - Quick pairing through Bluetooth with any Bluetooth enabled smart phones; Diverse play mode - Can play music directly from AUX cable and Bluetooth devices, convenient to use Built-in 2200mAh Rechargeable Lithium-ion Battery - Gbtiger V3 Bluetooth Speaker can supply 10-12 hours music time and can be fully recharged for about 3-4 hours; Hands-free call: Built-in microphone let you can have a more clear and safer call with your families and friends