Case appearance: white host, particularly beautiful, small size, easy to place. Performance configuration: usually in class, office use, very smooth. Heat dissipation performance: good heat dissipation, working for more than 4 hours, the host is not very hot. After sales service: After sales is very good, the staff replied very promptly. Other features: the 23 inch screen feels very big, and Bluetooth and wireless can be configured, with many advantages.