Product parameters:1. Bluetooth version: Bluetooth 4.02. Compatible mobile phones: iPhone (iOS8.0 and above) and Android system and Bluetooth 4.0 smartphone (Android version 5.0 and above)3. Working distance: 10 meters4. Applicable to: wallets, keys, bags and other items.5. Battery: CR20326. Net weight: 9 grams7. Size: 50*30*10mm8. Optional color: black / red 9. Function: anti-lost alarm, two-way search, remote self-timer, positioning the last lost position10. APP:isearchingpro/iSearching/FindElfi (where isearchingpro supports 19 languages, Chinese, English, Korean, Japanese, Russian, Arabic, German, French, Dutch, Czech, Italian, Spanish, Finnish, Greek, Danish, Vietnamese, Hindi, Hebrew, Croatian.)List:1*GPS Tracker1*CR2032 button battery
1*Applicable instructions