Anti-Lost Waterproof Bluetooth Tracker

Specifications: Material: ABS Appearance size: 37*37*6MM Applicable system: IOS 7.0 above, Android 4.4 above Product colors are: black, white, red, green Note: APP application downloads: Android system in the application treasure download, ios system in the app store download Bluetooth version: Bluetooth 4.0 Battery: CR2032 lithium coin battery (not included) Working distance: about 75 feet (accessibility) Work with Bluetooth