De S4 Ultra Bluetooth-smartwatch voor grensoverschrijdend bellen, met hartslag-, bloeddruk-, zuurstofverzadigings- en lichaamstemperatuurmeting.

This link is for cross-border products and is only suitable for export cross-border e-commerce customers. There is no Chinese language, no production address or phone number information, no domestic warranty card, and the product packaging is in English. Domestic retail customers please do not place orders. Export products do not come with domestic after-sales service or return shipping fees. Regarding functions related to heart rate, blood pressure, blood sugar, and electrocardiogram, the watch is not a medical device Sports watches have only reference value, are inaccurate, and do not meet medical standards. Regarding waterproofing, most waterproofing can only withstand light rain; hot water vapor can cause water to enter and cause damage. Regarding issues such as incorrect goods received, damage, and quality problems, a video of the package being opened upon receipt by the courier is required. There are obvious signs of human use, including scratches, water damage, and impact marks. It has been sent back for inspection. Only repair, do not replace, to avoid affecting secondary sales. All unit prices in our store are ex-factory prices, excluding tax. For bulk purchases or OEM customization, please consult customer service!