JAKCOM-R3F EDAL Waterproof Smart Ring for High Speed NFC Electronics Phone with Android and wp Phones Small Magic Ring 149 countries language supported

149 countries language supported

And it has 230W high power

Other Android devices

only the function as a reference) Blood oxygen &Heart rate

The fan runs when plugged to the solar panel

JAKCOM-R3F EDAL Waterproof Smart Ring for High Speed NFC Electronics Phone with Android and wp Phones Small Magic Ring 149 countries language supportedProduct Features: Products description The Jakcom smart ring is a Wearable electronic components, operate the mobile function and share the data by NFC wireless frequency communication technology. Features: Resistant to water and dust Compatible with Android WP Smartphones with NFC Lock Unlock your NFC devices Share information with other devices Control functions of your Smartphone Tablet , such as following: Private Note ,Screen lock ,APP lock,