Pre-owned and gently used excellent bluetooth waterproof speaker with optional Bicycle Handlebar Mount. 12-15 H playtime before recharge and puts out 20W of sound via 2 10W speakers. Also contains a built in Microphone for phone calls. Supports MP3, Wav, Wma and Flac  format audio files.  Will also take a Micro SD card/TF card if your sounds are on a card. Comes with 3.5mm in line jack cable if you want to connect a wired non- bluetooth device.  Unit is Black with Red accents. Comes with complete instructions in OEM box. Compact design measures 8"Lx2.25" Wx2.75" H . Also has a velcro mounting strip on the bottom if you want to secure it on other types of surfaces.