Dynamic, powerful sound 8 inch woofer and wide dispersion tweeter deliver clear, lifelike sound; A 100 watt peak power amplifier pumps up the volume and a Bass Boost button instantly cranks up the low end. Ultra-portable centerpiece for your gathering rugged plastic enclosure featuring a telescoping handle, wheels and two conveniently located carrying handles; Plus, a microphone is included for public speaking, karaoke and more. Long life battery 50 hour rechargeable battery for nonstop fun, plus a USB port is included for charging smartphones, tablets and more. Connectivity covered send your music to block rocker plus from any Bluetooth enabled device and control playback via dedicated Bluetooth track controls (play/pause, next, back). No Bluetooth No problem A 1/8 inch (3.5 millimeter) aux input is also included for non Bluetooth devices as well as an on board AM/FM radio.