Monster Blaster 3.0 Portable Speaker, 120W Wireless Bluetooth, IPX5 Rechargeable Waterproof with USB Charge Out & Aux Input. Monster Wireless Speaker Well known for their portable bluetooth speakers, Monster's Blaster 3.0 is a premium portable waterproof bluetooth speaker that connects wirelessly with NFC pairing. IPX5 Water Resistant: The Monster waterproof speaker is iPX5 water resistant and has an all-weather design suitable for indoor and outdoor use. This bluetooth outdoor speaker is perfect to use as a party speaker or pool speaker all year long!. USB Charge Out: The bluetooth speakers includes a built in USB-A port that serves as a USB smartphone charger. This extra feature on our outdoor bluetooth speakers allows you to continue wireless streaming from your device while staying powered up. Easy Portability: Monster’s portable wireless speakers with bluetooth has a carrying handle designed for convenient portability; bring along the blaster's studio-quality bass and its integrated 60W powered subwoofer wherever, whenever, Rechargeable Battery: The Blaster 3.0 has a built-in rechargeable battery that works up to 12 hours of continuous play and has an indicator to let you know how much battery is left.