tooth 4.0 Anti Lost Alarm Keys Chain Finder For iOS ce The product is shipped based on the color or size of the main image of the product page. tooth 4.0 Alarm Keys Chain Finder For iOS ceis an tooth 4.0 anti-lost device which is specially designed for 5, 4S, 4, mini, Touch 5. Hook it onto your key chain (or any valuable you misplace often), download the Blue smart app on 4S and new , it works. s:Communication system: tooth Version 4.0Compatible with 5, 4 4S, and with iOS system device. Transmission mode: spectrum frequency jump diffusion method (FH - SS)Transmission frequency range: 2.4 GHz ~ 2.4835 GHzCommunication distance: depends on your work environment) 20 m o distortion: 0.03%Working temperature: - 10C - + 40 CWorking time: 6 months : mAFrequency corresponding: 20 HZ - 20 KHZ supply: CR2032 :It can remind you forgotten cell phone, keys, wallet, luggage,car and so on.It can help you save time looking for something 30 feet, it can quickly help you find something missing,Triggering device through the smart tooth 4.0 technology to applications, the device can be done six months to replace the you can not find the key, just click on the "Find" button on the application within vtag device default, it will immediately beeps, the device can be placed inside the vehicle, your 4S or will record the GPS data of the parking lot, and will quickly help you find the way to the parking lotNote: you cant find your keys, tap the Find button in the app. If VTag device is within a preset range, it will signal its position by beeping. If youre out of range, you can walk around with the app open and the on-screen proximity display will sync with the devices built in sensor. If you hold two buttons at same time,the VTtag will make 4s or new sound alarm or vibrate on table, to give alert to key chain owner.Packing includes:1X ce1X User