·Battery: CR2032

·Bluetooth version: BLE 5.1

·Size: 31*31*9.7mm

·Certificate: CE/FCC

·Comppatibility: Compatible with Apple device only, 

                           iPhone and iPod touch models with iOS 15.0 or later,

                           iPad models with IPadOS 15.0 or later,

                           iMac and MacBook with macOS 11 or later.