We can print any logo and design as you provided.Bumpyour tunes for everyone, Cool are as loud as they arefun! 
No batteries needed
Plays music up to 4 hours
Charges through USB
All Cables included

Product Information: 

1. With two kinds of USB and 3.5mm audio cable, almostcorresponding to more than 90% of the 3C equipment. 
2. Material: ABS plastic 
3. Audio cable: 3.5 mm socket
 4. Size: 7.5 x 5.8 x 4cm 
5.USB charge - Built-in lithium-ion battery! After filling thewires for the sustainable use of 4 hours or so! 
6. Note: The charge must be closed before the switch! Afterinserting the power LED red light, red light into green light,after a good charge, said charge complete

Feature:

Working power:1.5W

Frequency response: 800HZ-10KHZ

Li-ion input:3.7V,100MA

Cord plug: Stereo 3.5MM Charging time:2H

Accessories:Audio line,charging connector

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