FREE: Super mini portable hifi hamburger 3.5 mm speaker for iPod tablet iPhone pc mp3

The listing, Super mini portable hifi hamburger 3.5 mm speaker for iPod tablet iPhone pc mp3 has ended.

Cute and stylish appearance; shapes like a hamburger. 
Pocket size speaker, compact but no discount in sound quality.
Compatible with all line in audio source such as iPod/iPhone/MP3/Phones or anything else with a 3.5mm headphone socket.
Build-in high capacity rechargeable battery, support long time music playing.
LED indicator stands for power-on or charging status.
Perfect for both home use and travel use.

Specifications:
Color: Black、blue(Please choose the color)
Housing material: Plastic
Power supply: Rechargeable lithium battery
Battery voltage: 3.7V
Battery charging voltage: 4.2±0.05V
Output:2.4w
Rating power: 2W
Frequency response: 100Hz-20kHz
Signal-to-noise: ≥85db
Distortion: <0.5%
Working time:1-2 Hours
Charging time: DC 2 hours, USB 4 hours
Dimension: Approx. 4 * 5.2cm(Height * diameter)
Package weight: Approx. 90g 

Package includes:  
1 * Mini Speaker 
1 * USB Charging Cabl