Bosch GPB 18V-2 C Professional Bluetooth Radio with Bluetooth®, FM, and AUX. It can be powered via 18V batteries (Not supplied) or AC mains and provides intuitive operation, quick setup, USB charging and IP 54 protection. This unit is ideal for providing jobsites with radio entertainment as well as smartphone-sourced music. It can be placed vertically as well as horizontally and it has both a handle and a hook for easy transportation and storage, further favoured by the radio's compactness. The possibility of coupling two radios with one smartphone facilitates unique stereo sound. Comes as a Bare Unit, NO Battery or Charger supplied. Specifications: Input Power: Battery: 18V Li-ion, DC: 230/240V. Radio Frequency Range FM: 87.5-108 MHz. Station Presets: 8. Rated Power of Amplifier (in mains operation) 15 W. Weight: 2.5kg (without battery) .