Combining premium style with smart functionality, this case not only protects your glasses but also integrates seamlessly with Apple Find My technology. Misplace your glasses? Find them in seconds using step-by-step directions on your Apple device or by triggering a loud, audible chime. Designed to perform on the go, its wirelessly rechargeable battery provides long-lasting power, while advanced Bluetooth 5.4 LE ensures fast and reliable tracking. Compatible with most glasses, sunglasses, and XR/AR devices. [Check out this quick guide to help navigate how to use!](https://support.satechi.com/hc/en-us/article_attachments/35082286407195) Apple FindMy: MFi Certified Connection Range: 10-20m (indoor), 20-50m (outdoor) Wireless Charging: 2.5W Input Battery: 150mAh Rechargeable Lithium Product Size: 6.38" W x 2.58" H x 2.76" D (Expanded)