This TSTAK® portable Bluetooth® radio charger provides premium sound with a bass resonator and Bluetooth® connectivity. It jobsite tough, featuring IP54 water and dust resistance. A convenient phone storage compartment protects your device. A fast USB charging outlet and Aux audio output provide added convenience. This unit runs on and charges 12 VAC MAX, 20 VAC max and FLEXVOLT™ 20V/60V max Lithium-ion batteries. Stack it with all other TSTAK® boxes in your system. This is the perfect upgrade to your jobsite storage. Bluetooth word mark is a registered trademark owned by Bluetooth SIG, Inc. DeWALT® TSTAK® Bluetooth Radio and Charger, Portable, Bare Tool/Kit: Tool, Lithium-Ion Battery, 14-1/2 in H x 21-1/8 in W Dimensions