BT Smart Ring Waterproof Health Ring Heart Rate Blood Oxygen Monitoring(Gold 9)

BT: 5.0 low-power Bluetooth-compatible chip. Acceleration sensor: Silicon Creation STK8321. Wherever you go, you can ensure uninterrupted health monitoring. Its portable and compact design, along with its lightweight construction, makes it easy to carry, making it perfect for travelers who want to stay connected and secure.

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