Features: Heavy Bass Music:Built-in two speakers create a shocking heavy bass music sound. Makes you feel you are at the music world. By using anti-magnetic technology and suppressing static and other noise our USB speakers provide you with enjoyable stereo experience when you enjoying indoor movies videos music and games. Plug And Play: USB Powered and 3.5mm Audio Input Just plug the USB cable into your device or the power supply and plug the 3.5mm jack into your audio device and not need drives. Compact & Portable:Compact and lightweight.You can put this portable speaker in your bag.This USB speaker gives you an ultra-portable mini sound system. Wide Compatibility: With wide compatibility perfect for desktop laptop TV smartphone tablet and other devices with a 3.5mm audio port. After-sale Service: If you have any questions please feel free to contact us and we will give you a satisfactory reply. Specification: Output Power: 3W Power Supply: DC 5V Frequency Response Range: 60HZ - 15KHZ Channel:2.0 SNR: 70dB Notes: 1. Due to the lighting effects and shooting angles there is a color difference in the product please understand. 2. Due to manual measurement there is a tolerance in the product size. includes: 2*Speakers 1*USB Cable "