FEATURES1. The peak power: 3.5w2. Effective power: 3w * 23. The frequency response: 20 hz - 20 KHZ4. Electric source: 5 v (USB)5. Bath ratio: 80 db. Strong compatibility, plug and play6. Can be easily connected laptop, PC, MP3, MP4, mobile phones, entertainment facilities, such as the only, listen to the music style7. MagicSong sound integration technology8. The volume control design of human nature, the volume control to adjust design, stomach needs to slide gently only, can adjust at will the volume size, wonderful music at your fingertips!9. 2 inch high magnetic speaker, pure sound quality, large caliber bass unit, diamond cut surface casing, unique cavity structure, 33 times the quality of grinding10. Impressive and attractive.