详细说明
■ Speaker spec.: 4ohm, 3W
■ Frequency respond:100-18KHz
■ Signal to noise ratio: ≥ 80dB
■ TF card directly play
■ FM radio(hand cord antenna)
■ LED display
■ Internal rechargable Li-ion battery(3.7v 800mAh)
■ Power off memory
■ Long time playing
■ Mini AL vibrating membrane speaker
■ Metal cabinet