Descriptins:  Wired RGB Computer Speaker Shocking Sound Convenient Line Control Three-dimensional Surround for PC Laptop.    Specification:  Rated power: 5W x 2;  Plug: 3.5mm plug (audio) + USB plug (power);  Frequency response: 180Hz -20KHz;  Power supply: USB 5V DC;  Speaker impedance: 4Ω;  Cable length: about 1.5m;  Speaker size: 52mm;  Number of channels: 2CH;  Number of speakers: 2PCS;  Signal to noise ratio: 75dB;  Material: ABS+ aluminum alloy;  Power amplifier chip: TLK5208;  THD+N harmonic distortion: ≤0.5%;  Play Format: FLC WAV WMA APE MP3;  Power supply voltage /current: DC 5V/1A;  Light mode: 9 backlight modes, you can turn off the light;  Product net weight: 498g;  Product specification: 31.3*7* 6.6cm;  Package Weight: 591g;  Package Size: 43.8*11*6cm;    Precautions:   1. It is strictly forbidden to directly connect the audio input of this unit to the external power amplifier port;  2. Please listen to music at an appropriate volume, so as not to damage your hearing and speaker system;  3. Please pull out the USB plug if you don't use it for a long time;  4. Avoid exposure to sun, rain, water droplets, and avoid long-term exposure to high temperature and humidity;  5. No other items should be placed on the equipment to avoid damage to the machine;    Packing List:  RGB Wired Speaker * 1;  English User Manual*1