eggtart hamburger Form Minilautsprecher für mp4

Specifications: * Product size:D(52MM)H( 64.5)* Power output:2.2W * SNR≥89db * Speakers:D36mm * Frenquency response range:100Hz-20KHz * Distortion ≤0.5% * Impedence:4Ω * Battery input voltage:3.7V * Battery capacity:200mAh * Charge voltage:4.2V±0.05V * Lithium ion battery input:DC 5V Functions: *Support MP3,MP4,IPOD,Mobile phone ,laptop and other portable digital player devices * Portable,small enough to keep with the key chain or put in the pocket * Built-in rechargeable battery and no extra battery is required * Lovely mini hamburger shape design and convenient to fold and open * Including 1pc USB charging cable * 1pc player connecting cable on bottom of speaker * Discharge time: deponds on the volume & rhythm