Take crisp, deep, room-filling HiFi sound with you anywhere on the go with Buoy. This is a multi-dimensional waterproof speaker that comes with 20 amazing features. Once fully charged, this speaker is capable of delivering sound for 24 hours at a stretch. Buoy produces multi-dimensional, precise sound by replicating the techniques used on $1,000+ audio systems that control distortion of the music through hardware instead of software. This is exactly the opposite of the typically muffled and tiny tones most smartphone speakers emit. The fact that it is waterproof and portable makes this speaker a perfect must have for your beach parties.Buoy can play your favorite tunes as an MP3 from a micro SD card and there is never a need for an SD card reader. Head for the celebration without leaving your music behind.