Products with high cost-performance are usually those that strike a good balance between price and performance and quality. Here are some product categories that are generally considered to have high cost-performance in different fields: 1. **Smartphones**: Mid-range mobile phones from brands such as Xiaomi, Realme, and OnePlus usually perform well in terms of performance, photography, and battery life, while being relatively affordable. 2. **Laptops**: Lenovo's ThinkPad series, Huawei's MateBook series, and Dell's XPS series are all known for their high-quality build quality and excellent performance. 3. **Headphones**: Wireless headphones such as Sony's WH-1000XM series and Xiaomi's Redmi AirDots have excellent sound quality and noise reduction effects at a reasonable price. 4. **Home appliances**: Air conditioners and refrigerators from brands such as Haier and Gree have good performance in energy efficiency and performance, and are relatively cheap. 5. **Tablets**: Apple's iPad (especially the entry-level models) and some Android tablets, such as Huawei's MatePad, provide good performance and usage experience. 6. **Fitness equipment**: Some brands of smart fitness bracelets or watches, such as the Xiaomi bracelet, provide a variety of functions such as heart rate monitoring and sleep tracking, and are moderately priced. 7. **Care products**: Some well-known brands of skin care products, such as Nivea and Neutrogena, often perform well in terms of cost performance, are effective and inexpensive. Of course, the specific cost performance also needs to take into account personal needs and usage scenarios. It is recommended to make a choice based on your actual situation.