Two-way anti lostLighter, thinner, smallerUltra-low power consumptionThe internet search,you can search on the APP to fond where is your itemColor:blueRemind: Buzzer, flashAlarm distance: 50 metersBattery: CR2032Size of product:L*W*H/3.5*2.5*0.5cmCompatible devices:iOS system: FOR iPhone 4s /5/5c/5s/6/6 plusFOR iPad 3/4/Mini/AirTouch 5, and so on.Android system:FOR Samsung Galaxy Note 2/Note 3/note4/S3/S4/S5Support interface: Keyboard, Wand, RS232, Dual, RS232, USBFOR LG Nexus 4/FOR Nexus 5FOR HTC One (M8)FOR lenovo VIBE X2/Z2 ProFOR Mi:2A/2S/3/4FOR Huawei/Mate2/Mate7/P7How to use:1. Install the APP the app store to search the nut2. The binding the nut please make sure that the Bluetooth open the patch near the phone click on the patch button3. Operating the nut through the APP can call the nut to check the position of the nut4. Set the nut can adjust the alarm distance open two-way lost look for lost itemsIf your device is none of the above, Nut mini and Nut App can still be available as long as your phone system is Android 4.3 or above and supports Bluetooth 4.0.Package include:1 x mini Smart Tag Mini Bluetooth Tracker (Included a CR2032 battery)1 x User ManualNote:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.