Welcome to our store! 1. USB interface, plug and play, sound card decoding. Even if the sound card on your computer or laptop is damaged, it can still be used. 2. This speaker integrates dual speaker units to deliver exciting stereo sound, with excellent 3-dimensional stereo surround sound performance. 3. The bottom features a non-slip design for stable placement, allowing you to immerse yourself in the rich sound of music, movies, and games. 4. No need for a 3.5mm AUX connection. A single USB cable provides both audio and power to the USB speakers, greatly helping you avoid messy power cords. 5. The USB speaker is made of high-quality ABS material, which is durable and can be used for a long time. Item Type: USB Speaker Material: ABS Color: Black Interface Type: USB Audio Input: USB Sound Card Decoder Signal to Noise Ratio: ≥75dB Power Supply: USB Powered Cable Length: Approx. 1.1m / 43.3 inches Working Voltage: DC 5V Rated Power: 3W x 2 1 x USB Speaker Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.