Main function:
* The 3.7V charge fashion lithium-ion battrey
* The high fidelity the circuit
* Inside place the high fidelity trumpet

Applied on: PC/MAC MP3 MOBLE MP4 CD

Product Enclosure:
* The USB turns to deal with contact
* Paper card manual

Technique parameter:
* Refresh to input the electric voltage 5 V ;Electric current 300 mA
* The inside the 36 mm responds 4 & 2 w trumpet

Colour: orange yellow， yellow， white， purple， rose pink optional
Size: 48*48*38mm
Weight: 40.5g

Package size: 160*100*40mm
Package weight: 57.5g