Features:

*This portable speaker is for use with mp3 players， cellphones， tablets and laptops.
*It will turn anything which you stick it on into a speaker， have fun with it!
*Compact version， small and light， making it easy to carry in your purse or pocket.
 
Audio output: 3.5mm audio cable.
Input DC voltage: DC 5V.
Input DC voltage: DC 5V.
Dimension: 3.6 x 3.6 x 8.5 cm
Power Supply:It can be powered through USB port or 2pcs AAA batteries (not included)
 
Packing including:
1 x Original X-Vibe Vibration Speaker Unit
1 x USB to 3.5mm mini Jack
1 x Stereo Mini Plug
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Working Principle:
 
The permanent magnet pushes and pulls on the voice coil depending on the direction of current. The voice coil makes a movable plate vibrate， transmitting energy to a surface.
 
How to enjoy it:
 
Setting a vibration speaker down on a solid surface positions， The solid surface will vibrate with the speaker， displacing air molecules around it. Just as with any other sound， your ear detects the movements of the colliding air molecules. Some materials reverberate better than others -- not all solids are created equal. In general， a hollow box tend to work best with vibration speakers， below articles recommended for enjoy it:
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