Is there any cost-effective digital product that must be bought?

There are many markets for digital products, and everyone's needs and budgets are different. Here are some cost-effective digital products for your reference:

1. Smartphone: In the field of smart phones, many brands offer products with powerful performance, rich functions and reasonable prices. For example, brands such as Yijia, Xiaomi and Realme have launched mobile phone series with relatively high sexual price.

2. Headphones: The wireless headset market is developing rapidly, and there are many cost-effective products to choose from. For example, Anker Soundcore, JBL, Sony and other brands all provide wireless headphones with good sound quality and moderate price.

3. Tablet PC: Tablet PC is very useful in entertainment, study and work. Some brands, such as iPad and Samsung Galaxy Tab, provide tablets with excellent performance and good user experience.

4. Camera: There are various choices in the digital camera market. Entry-level SLR cameras and mirrorless cameras are usually cost-effective. For example, Nikon D3500, Canon EOS M50 and other cameras are all good performance and reasonable price choices.

5. Smart watches: Smart watches provide convenience in health monitoring, motion tracking and notification. Some brands such as Xiaomi, Huawei and Amazfit provide smart watches with stable performance and relatively low price.

It should be noted that the cost performance of each product may be different due to market changes, specific needs and personal preferences. It is best to conduct market research before buying, compare different brands and models of products, and make a choice according to your own needs and budget.