Bluetooth speaker Rebeltec SoundTube 190 in black. Tube diameter: 190mm, length: 360mm. Compatible with Bluetooth 4.2. Playing time: 7-8 hours. Speakers: 5 inches (low-mid-tone) + 2x 2 inches (mid-treble) + 5 inches (passive). LED backlight shines to the rhythm of the music (can be turned off). Modes: Bluetooth, radio, pen drive, microSD card, AUX, karaoke. Built-in 1500mAh battery (charged with micro USB). Features 4 multimedia buttons and 2 knobs. Includes a switch, LED display, belt holders, and a microSD card slot for playing MP3 files. Built-in USB socket for connecting a USB flash drive with MP3 files. AUX input from an external sound source via a 3.5mm mini jack cable. 6.3mm MONO microphone socket.