The Bosch GPB 18V-5 SC Professional Radio is powered via 18V, AC or USB for fast charging with up to 2.1A. For power tools, the radio delivers two outlets. Furthermore, it features both AM/FM settings including Bluetooth and AUX outlets. The hardy roll cage ensures increased protection on site and in harsh conditions. The four built in speakers and subwoofer have combined wattage of 20. SpecificationsVoltage: 18vBattery Type: Lithium ion Bosch Pro 18v system (not included)Radio frequency range DAB+ [MHz] 174.928 - 239.2Station pre-sets FM: 4Station pre-sets DAB+: 4Input voltage: 100v - 240vRated power of amplifier (in mains operation) 40w Features and BenefitsHas DAB+, Bluetooth FM and AUX compatibilities making it a versatile systemPossesses a protective roll cage to withstand harsh jobsite conditionsIntegrated 20W subwoofer for maximum sound and optimised base to be heard over loud working environments