It also doubles up as a DEWALT battery charger and has a USB port for charging phones and small electronic devices. Bluetooth® Technology allows you to remotely control your music and use the radio as a speaker. The radio has IP 54 rated protection, this means it is protected against dust and water jets. The 40W RMS, 2 sub-woofers provide premium sound quality and there is a Class D amplifier and digital sound processor for sound optimisation. Other features include a Dot Matrix pixel screen and a 3.5mm Aux. Input.