SR01 Sleep Monitoring Blood Oxygen Heart Rate Health Bluetooth Multifunctional Smart Ring

1. For the market, all products are not sold. Please do not place an order if you mind. The default shipment is neutral products to meet most customers' requirements. There is no brand, address, or manufacturer information on the packaging.For branded products and inquiries, please contact online customer service. 2. Quality Guarantee: Products can be returned or exchanged for quality issues within 7 days, guaranteed for 15 days, and have a 365-day warranty. For returns or exchanges not due to product quality issues, the buyer is responsible for the return shipping costs. 3. Considering customer cost accounting convenience, all our products are priced without tax. If you need an invoice, please contact customer service to add the tax amount. VAT invoices can be issued; please confirm the tax point with customer service and the invoice will be sent after confirming receipt. Support SDK Connection Platform or Bluetooth Protocol Connection Gateway with Mature Backend 1. Connect the terminal SDK communication protocol to the customer platform 2. Open API interface to connect with customer platforms, as well as gateway interface 3. Developed based on the original technology foundation, multiple options available, mold opening, blueprint drawing, open-source code. Please contact customer service if needed 1. This product is Neutral product. It is made for customers. In order to meet most customers' requirements, there is no brand, address, or manufacturer information on the packaging.If you need to add our company's address or brand information on the packaging, please contact customer service. 2. Our company has independent research and development capabilities. To enhance customer experience, we will continuously upgrade and improve product functions and appearance without prior notice.If there are discrepancies between the description and the actual functionality or appearance, Please refer to the product. 3. We are, and will be, if you choose to work with us long-term, we will consider your interests. As long as it's not expired items or damaged by humans, we can handle it Excellent after-sales service.Additionally, if there are quality issues with the product itself from the day of purchase, we guarantee a replacement within one month and offer a one-year warranty. Return shipping costs are to be paid once each by both parties. 4. 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