SANSUI 10E: This is a cost-effective 2.1 Bluetooth computer speaker with black and white colors to choose from. It adopts two connection methods: active USB and Bluetooth, which can easily connect to computers or mobile devices. It also has two modes: multimedia and laptop, which can meet the different needs of users. In addition, it also features a 10W subwoofer and a 5W satellite speaker, providing clear and engaging sound performance.

Lenovo ThinkCentre: This is a high-end 2.1 Bluetooth computer speaker that utilizes Lenovo's own sound technology. It has two 3-inch full frequency speakers and a 5-inch subwoofer, providing excellent sound performance. In addition, it also supports two connection methods: Bluetooth and USB, making it easy to connect to computers or mobile devices. Its exterior design is simple and elegant, suitable for business occasions.

Dell S21: This is a cost-effective 2.1 Bluetooth computer speaker available in black and white colors. It adopts two connection methods: USB and Bluetooth, which can easily connect to computers or mobile devices. It also features two 2.5-inch full frequency speakers and a 5-inch subwoofer, providing clear and engaging sound performance. In addition, it also has functions such as volume control and headphone interface, making it convenient for users to operate.

Overall, the above 2.1 Bluetooth computer speakers are well-known brands and products in their respective fields, with high-quality sound effects and stable performance. You can choose the product that suits you according to your needs and budget.