1) output power: RMS 6W (3W +3 W) THD = 10% 2) Frequency response :150-18000HZ (+ /- ... ) signal to noise ratio: 70 dB 1)output power: RMS 6W (3W +3 W) THD = 10%2)Frequency response :150-18000HZ ... , FM radio function7)Power Input: 5V/1000mA original power adapter, USB 5V power supply and built-in lithium battery, can not ... , FM radio, songs, up and down song selection music angel usb mini speaker