Bluetooth speaker Rebelt ec PartyBox 400

Portable bluetooth player
    controlled by a smartphone (bluetooth) or built-in buttons
    compatible with Bluetooth 5.0
    20W RMS power
    working time: 4 - 8 hours
    speaker size: 2x 102mm (2x 4 "")
    modes: bluetooth, FM radio, USB pen drive, microSD card, AUX, KARAOKE
    multicolored RGB backlight of the speakers and the floor (you can also turn it off by holding down the M button)
    built-in Li-Ion 1200mAh 3.7V battery (charged with micro USB)
    frequency response 40Hz-20kHz
    bass reflex
    4 multimedia buttons and a knob
    LED display
    efficiency 85dB
    has a switch
    comfortable grip
    LED display
    FM radio
    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
    AUX (from an external audio source via a 3.5mm mini jack cable)
    The set includes USB (M) -> microUSB (M) cable and AUX cable
    Dimensions: 400 x 165 x 155 mm
    Net weight 1350 g