Spec And Function
1. Output power: 3W*2
2. Frequency response: 100Hz~20KHz
3. Impedance: 8??
4. Power supply: DC 5V (3*AA)
5. Dimensions: 192*124*28mm
6. Weigt: 350g

Detail Production Description
1. Appearance likes a book, delicacy and have perfection high fidelity sound box;
2. High efficiency and economization energy, it will take good mood for you in journy at any moment;
3. Designing for IPOD/NOTEBOOK PC/MP3/CD an so on;
4. Power is supplied by outside adapter or USB.