The Gwenland R04 Smart Ring and Charging Case is a stylish and functional activity tracker designed for runners and joggers. With features such as Bluetooth connectivity, pedometer, heart rate monitor, sp02 and sleep tracker, this smart ring helps you track and improve your fitness performance. The sleek black design with red stripes adds a touch of sporty style to your workout gear. Waterproof. The Gwenland brand ensures quality and reliability in fitness tech, making this smart ring a must-have for those looking to enhance their running experience. Used for about 6 weeks, compatible with Android and iOS, along with a choice of several apps. Boxed and includes an added magnetic, usb-c charge Size #11 ID 20.8mm
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