Model : E-2202 Weight : 1.9KG Connection Type : Bluetooth/Wired Bluetooth Connect : Distance 10 M Output Power : 5W +3Wx2 (THD) =10% SNR: ≥60dB Frequency Response : 90Hz~20kHz Power Supply Voltage : USB 5v Speaker : 52 MM x 2 Separation Degree : ≥70DB Standard Impedance : 4Ω