MODEL:HI.P portable USB / vibration/ vibro speaker,resonance audio for mp3
power supply:DC5V   3W  Built in rechargeable lithium battery
each in a color box
The vibration speaker using our self-developed core of technology called preaching vibration multidimensional sound,which has subverted the traditional audio pronunciation,it has no loudspeaker itself,when it works,according to the principle of resonace,it can drive any solid surface medium(such as desk,stone,glass,metal and etc)  vibration to sound. It broke through the limitations of traditional speaker propagation region,so that the sound can be transmision all round and closer to the truth than the traditional nature to restore the music,making you listen to music from the traditional music,rasising it to the feelings to the feelings and enjoying the music.