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