Portable rechargeable trolley speaker 12" 80W Bluetooth/SD/USB With an elegant and compact design, this powerful speaker combines style and performance in a single impeccable audio solution. Featuring Bluetooth connectivity, it gives you the freedom to stream your favorite music from any device. Thanks to its high-quality speakers, this speaker offers crystal clear sound. Characteristics Model: D-12 Woofer size: 12" Tweeter Size: 3" Frequency range: 20Hz - 20KHz Power: 80W Impedance: 4 Ohms Power supply: Power supply included (DV15V), power supply via DC12V terminals Battery: 12V 4.5Ah Dark wood colored MDF houses Supplied with a practical handle and wheels for easy transport as if it were a trolley 2 wireless microphones included Remote control included LCD screen Audio inputs 6.35mm audio jack input for microphone 6.35mm audio jack input for musical instruments 3.5mm audio jack input Stereo RCA L/R input and output USB input SD card input Bluetooth connectivity Knobs for volume adjustments Knob for adjusting the general volume Knob for Treble/Echo effect adjustments Knob for adjusting the microphone volume Knob for adjusting the volume of the musical instrument (if connected) Case dimensions Height: 54.5cm Depth: 24cm Width: 33cm Height with handle extended: approximately 102cm