The milwaukee m12 jssp 0 speaker is fitted with advanced bluetooth technology that allows you to connect any portable electronic device wirelessly from up to 10m away it is a premium jobsite speaker with bass port and loud clear sound at all volumes drop water and debris resistant to withstand tough conditions on and off the jobsite with a rugged over mould metal speaker grill for additional protection it also has a 21 amp usb port that charges phones tablets and media players it is capable of