Nut Wireless Smart Bluetooth 4.0 Anti Lost Alarm Bluetooth Tracker Key Finder Child Elderly Pet Phone Car Lost Reminder Self-portrait Camera for Apple Android White,tiffany Baby Green,orange Weight:10g Function:Two-way anti lost; A key finding things; The location information; The Internet search; Ultra-low power consumption; Multitasking management Can connect 6 paste at the same time Can be set 0 to 30 m distance,if the distance of the alarm is out of rang, The alarm and phone will alert Compatible for IOS System, Android, Bluetooth 4.0 With 4.3 Or above system version