Monitoramento de frequência cardíaca, oxigênio no sangue, sono, contagem de passos, cuidados remotos, anel inteligente

This store is an original factory website, and we would like to provide the following explanation: 1. All products are not available, please do not place an order. If you place an order on your own, there will be no after-sales service and no returns or exchanges 2. Customers need to apply first, and only after approval can they use our store's products. Customers who list products without approval will not receive explanations from our store if they receive complaints 3. Customers please strictly adhere to the market guide prices set by our factory for sales. If found or complained about those who sell at low or arbitrary prices, our factory will use patent and image intellectual property rights to file complaints and revoke their qualification. Thank you