EIVOTOR

Super Bass HIFI 360° Sound Portable Outdoor NFC Bluetooth Wireless Speaker Soundbox Subwoofer FM Radio TF AUX USB For TPC Laptop Tablet Smartphone

1.Material: ABS 2.Speaker Port: USB DC 5V3.Power supply: 5V battery.4.Battery capacity: 800 mah5.Input: USB DC 5V6.Output: RMS 3W * 27.Frequency range: 50Hz-18KHz8.SNR: ≥85db9.Sensitivity: 500mv10.Impedance: 4HM (Ω)11.Working hour(Medium volume):...