Support FM radio/USB flash memory/ TF card
2.1 system with powerful bass
External AUX input/earphone socket
Chargeable lithium battery
Speakers output: 2 + 2W
Sub-woofer output: 4W
Sensitivity: 85 ± 3dB
Standard impedance: 2Ω
Frequency range: 90Hz to 20KHz
FM frequency: 87.5 to 108MHz
Power supply: USB/5V DC