Battery-powered Construction Radio Energy+ 18v Without Battery

the energy + 18 v 58ge128 battery-powered construction site radio by graphite is a battery-powered and mains-powered device equipped with 2 high-power 15 w speakers and usb and aux ports. it operates both on 18 v energy+ lithium-ion batteries and when connected to the mains. the radio supports 30 fm stations (87.5 - 108 mhz) 30 dab stations (174 - 240 mhz) and bluetooth 5.0. it is equipped with a sleep function alarm and a clock with automatic adjustment which significantly improves the comfort of its use. the device also has a 2.4-inch color display with a brightening and dimming option which makes it easy to change settings. the phone holder in the cover allows for convenient connection to the radio. it will be perfect for a construction site in a hall or in a mechanic's workshop. basic data gross dimensions (width x height x length) 23.30 x 20.20 x 33.50 cm weight 3.67 kg color display yes number of speakers 2 pcs speaker power 15 w fm frequency 87.5 - 108 mhz dab frequency 174 - 240 mhz bluetooth signal range 10 m usb socket yes aux socket yes rated impedance 4? ce certificateyes battery typeli-ion power supply voltage230v~50hz number of batteries in the set0 pcs warranty3 years number of pieces in the set1 pcs battery voltage18 v bluetoothyes 5.0 functionssleep function alarm and clock with automatic adjustment