Products with high cost performance often achieve a good balance in terms of performance, price, quality, etc. Different types of products have different cost performance options. The following are some products with high cost performance in different categories: ### Mobile phones - **Redmi Note series**: Provide good performance, large battery and clear screen at a relatively low price, which can meet the daily use needs of most users, such as taking pictures, socializing, browsing the web, watching videos, etc. - **Realme Q series**: Excellent performance, battery life and fast charging, with a relatively affordable price. This series often launches mobile phones with high refresh rate screens, large-capacity batteries and fast charging functions, suitable for users who pursue a smooth experience and have a limited budget. ### Computers - **Lenovo Xiaoxin series**: Lenovo Xiaoxin covers a variety of laptops, such as Xiaoxin Air, Xiaoxin Pro, etc. They have a thin and portable body design, good performance, long battery life and high-quality screens, which can meet the needs of daily office, study, entertainment and light creative design, and the price is competitive among similar products. - **Shenzhou Ares Series**: Shenzhou Ares series gaming laptops have attracted attention for their high configuration and relatively low price. They are suitable for players with limited budgets but who want to experience high-performance games. However, the workmanship and after-sales of this series may be relatively weak, but the overall cost performance is outstanding, allowing players to obtain strong gaming performance within a limited budget. ### Headphones - **Edifier LolliPods Series**: The sound quality is good, which can meet the needs of daily music listening, and at the same time has good wearing comfort and a certain battery life. The price is usually around 100 yuan, which is a very cost-effective choice for consumers who pursue basic sound quality and practical functions. - **FIIL CC2**: FIIL CC2 headphones are unique in sound quality tuning and can provide a richer and more balanced sound performance. It supports active noise reduction function, which can effectively reduce external noise interference. The battery life can also meet daily use, and the charging box can also charge mobile phones and other devices in an emergency. Among the true wireless headphones of the same price, FIIL CC2 has good competitiveness in terms of function and sound quality, and has a high cost performance. ### Electric toothbrush - **Shuke G33**: It has a high-frequency vibration cleaning function and can effectively remove dental plaque. Its appearance design is simple and stylish, and it feels comfortable to hold. A variety of cleaning modes can meet the oral care needs of different users. The price is relatively affordable and suitable for consumers who use electric toothbrushes for the first time. - **Libode Star Series**: This series of electric toothbrushes usually use DuPont bristles, which have a good cleaning effect. At the same time, it is equipped with intelligent functions such as timed reminders and pressure sensing to help users develop correct brushing habits. The price is relatively affordable and has a high cost-effectiveness in the mid- and low-end electric toothbrush market. ### Projector - **Xiaoming Q1 Pro**: Xiaoming Q1 Pro is small and portable, which is convenient for use in different scenarios. Its picture clarity and color performance can meet the needs of daily viewing, the system operation is simple and smooth, and it also has intelligent focus and correction functions. The price is relatively low, and it is a good cost-effective product among entry-level projectors. - **Haqu K1**: It is more affordable. Although it may not be as good as more advanced products in some parameters, it can provide basic projection functions for users with limited budgets who want to experience big-screen viewing. For example, it can be used in bedrooms, dormitories and other spaces to create a private viewing corner at a lower cost.