Health ring: use advanced sensors to track . Help you stay healthy by analyzing key bodies, such as exercise data and sleep quality. Fashion technology: elegant design and polishing of ceramics, , fashionable and comfortable. Energy saving technology ensures continuous monitoring for 2-5 days at a time. The charging compartment can charge the ring 1. APP is compatible with Android or iOS, so you can view data at any time. Reshaping life: This ring is not just a health monitoring device, but an active life. By recording and analyzing data, it can motivate you to make choices to maintain health and balance. Whether you are a fitness enthusiast, sleep conscious or want to manage stress effectively, this smart ring can provide you with tailor-made advice and guidance. Colour:gold Material:Titanium Steel size:18.95mm Package Contents: 1 * Smart Ring 1 * USB Charging Cable 1 * English Product Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.