2. Important reminder: ① In order to protect the interests of the buyer, electronic components are products with high technical content. Due to the existence of multiple brands, packaging, and packaging, there may be differences in parameters and performance. Some products are sold in small packages or unopened whole packages. Before purchasing our components, please contact the store to confirm the brand, packaging, packaging, and specifications of the product you need before proceeding with the transaction! ② The physical store operates simultaneously, and there may be discrepancies in inventory information. In order not to affect your purchase, please contact us before placing an order for the product! Please confirm immediately upon receipt of the goods to facilitate the company's financial accounting. Thank you for your cooperation!