MP3 Speaker Case

It's an mp3 case and speaker! It can protect the mp3 player, mobile phone and other gadgets from scratch or damage, and it's a portable speaker for the mp3 player.Wear it over the shoulder or attach it with a spring-hook. 2 AA-Batteries included. On-Off-switch on speaker case.

Specifications:

Exciter type: Dynamic
Exciter unit diameter: 25mm
Number of exciter: 1
Impedance: 4 Ohms
Frequency response: 275 Hz - 20 Khz
Power Output: 3W
Power requirement: DC 3.0V 82xAA Batteries)
Battery life: up to 7 hrs
Cord length: 250mm
Plug: 3,5mm stereo (L-shaped)