M18, 18v, jobsite radio/charger, built-in charger quick & convenient charging of all m18 batteries, exclusive digital Bluetooth receiver streams audio wirelessly from over 100' away, sub power port, premium speakers & 40w amplifier, customizable equalizer & 10 station preset, reinforced roll cage & metal handles protects against abusive jobsite conditions, weather sealed compartment offers on board protection for small belongings & a smart phone, on board bottle opener for convenience on & off jobsite, includes 16" auxiliary input cord & two "aaa" batteries.