HI.M Speaker:

1.Metal material shell;small,simple, durable,portale and fashion design; built in rechargeable lithium battery, USB powered;strong bass is good; the real dimension of sound;

2.DIY music,different material,different feeling,same song,different feeling, perfect sound effect;                    

3.Power supply:DC5V              

4.Power consumption: Max 2.5W

5.Frequency:100Hz~20kHz           

6.Support MP3, MP4,PC,laptop,mobile and etc;