- controlled by a smartphone (bluetooth) or built-in buttons;#13#10- compatible with Bluetooth 5.0;#13#10- 18W RMS power;#13#10- working time: 5 - 7 h;#13#10- speaker size: 75mm (3 ");#13#10- modes: bluetooth, FM radio, USB pen drive, microSD card, AUX, KARAOKE;#13#10- multi-color RGB backlight in several modes (you can also turn it off);#13#10- built-in Li-Ion 1500mAh 3.7V battery (charged with micro USB);#13#10- GRP - the ability to connect two of the same speakers;#13#10- wirelessly in stereo mode;#13#10- FM radio;#13#10- 6.3mm mono microphone jack; microSD card slot from which you can play mp3 files; USB socket to which you can connect a USB flash drive with MP3;#13#10- AUX (from an external sound source via a 3.5mm mini jack cable);#13#10- USB (M) -> microUSB (M) cable and AUX cable included;#13#10- dimensions: 180 x 135 x 125 mm; net weight 595 g