Material: ABS
Appearance size: 37*37*6MM
Applicable system: for IOS 7.0 above, Android 4.4 above
Battery: cr2032 Button Battery ( Include)
Product colors are: black, white, red, green,blue
Note:
APP application downloads: Android system in the application treasure download, ios system in the app store download Bt version: Bt 4.0 Working distance: about 75 feet (accessibility)
Package include: 5/10* Tracker