Britz 2.0Ch Premium USB Powerd Speaker, Z-2100 Pinacle2, 2.0CH Dynamic Acoustic Sound, MDF Wooden Made, Computer Speaker, Laptop PC Speaker Output Power : RMS 5W (2.5W x 2 (THD=10%)) / Power : USB 5V, 500mA Unit Size : 2.5 inch (63.5mm x 2) / Impedance : 4 Ohm Cable between the speaker : 39.3inch / USB Power Cable : 44inch / Headphone , Mic Cable : 40.9 inch Dimension : 92(W) x 170(H) x 107(D) mm / Input : Headphone, MIC Connect with Match with Multimedia Computer, Tablet, MP3, Smart Device, etc