1. The product is beautiful in appearance, convenient to carry, and has lighting effect. 2. The lights will flicker with the music tempo when playing music. 3. It is a section of product of high performance-to-price ratio digit audio frequency power amplifier product. 4. The product internal core used the high quality and high fidelity digit audio frequency module processing electric circuit, the consumption of electricity is few, the frequency-response characteristic is good, the dynamic range is wide, the resolution to music is high, and it can reflect the level of music. The tone is nature, smooth and fine! 5. It can broaden the console's weak sound signal; Drive the sound track's loudspeaker to make a graceful and interesting sound. 6. This product uses an outboard audio frequency input socket, and can also be used on other audio equipments or computers. You can put the console on the audio to watch movies and listening music. 7. It is a product that specially designed for the console of PSP2000\PSP3000 and NDSi, and a good choice for the gamers. Specification 1. Input voltage: DC 5V 2. Current consumption: 20MA ~ 200MA 3. Battery types: 4 AAA batteries 4. Output power: 3W / channel 5. Distortion: ≥ 0.2% 6. Shell Material: ABS 7. Weight: 320 grams (packaging not include)