[4D Crystal Stereo]-These desktop computer speakers use 2 upgraded 5W speakers and 2 diaphragms to make 4-unit crystal stereo sound a reality. The PC speaker guarantees loud sound without distorting or damaging the sound. At the same time, the bass effect is really shocking. It is an ideal choice for listening to music, watching movies, playing games, outdoor parties, etc. $ [Multiple connection methods]-Our computer speakers can be connected to devices that support BLUETOOTH 5.0 and most player devices that support 3.5mm audio jacks, such as smart phones, Ipads, laptops, and computers. In addition, PC game speakers support TF card and U disk. Choose a convenient connection method that suits you and enjoy music. $ [Two power supply methods]-The desktop speaker has a built-in 1200mAh large capacity, which can be charged by USB, and it can be used for 4-5 hours when it is fully charged. Notebook speakers also support plug-in use, which is very suitable for home and outdoor use. $ [Radio Mode and Phone Mode]-Different from most USB speakers on the market, our computer soundbar supports radio function and call answering mode. In the call state, press the pause button to control answering and hanging up. $ [Quality] Our products are of high quality, you can buy with confidence