Bluetooth Smart Tag Wallet Key Finder Activity Trackers Locator Device Wireless Tracker GPS Tracker

Label:Yes Package List:1 PC anti-loss Device Color: black,white,green,blue Size: 54*30*6mm Mobile phone system: IOS 8.0 or above, Android 8.0 or above Material: Plastic Bluetooth:4.0 Battery: button battery CR2032 Note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed.