Portable bluetooth player Stage 300, controlled by a smartphone (bluetooth) or built-in buttons. The device with a power of 20W RMS, gives us a working time of 6 to 10h. The speaker has the following functions: bluetooth, FM radio, USB pen drive, microSD card, AUX, KARAOKE. Multicolour RGB backlight works in several modes, giving unforgettable visual effects. The Stage 300 has a built-in Li-Ion 2400mAh 3.7V battery (rechargeable from micro USB). The frequency response is 25Hz-20kHz. Inputs: microphone socket 6.3mm mono, microSD card slot from which you can play mp3 files, USB socket to which you can connect a USB flash drive with MP3. USB(M)->microUSB(M) cable and AUX cable included. Dimensions: 300 x 225 x 210 mm. AUX (from external audio source via 3.5mm mini jack cable).