Sound track 2.0, Output power 2* 5w, Frequency 60hz - 18k Hz, Signal & Noise ratio: > 70dB, Impedance 4 O HM(O), Output L/R 5 Wx2, DC Input 5V, EQ, 3D sound, Case Material metal, Bluetooth csr4.1, Capacity 7.4V/2000mAh

• Size: 18.5 x 5.7 x 6.2
• Material: Metal
• Power Source: DC
• Input Voltage: 5
• Output Wattage(W) : 5