Weight: 30g Color: white, pink, green, black, blue This tracker should be used with iTracing, an app downloaded from App Store/Google Play and pair it to your phone via Bluetooth key chain shape and light weight make it easy to carry wide applicability to be suitable for the anti-lost and getting back of child, key, phone, wallet, or other valuable items Anti-loss: chain the tracker with anything you may lose, press ALERT on your mobile app/apk to search the tracker within active distance Remote control: by remote control, you can turn on the cell phone record function or the remote camera shutter function for selfie self-portrait Locate the parking site on map before leaving from your car, help you trace back no matter how far you go away. Compact and lightweight, handy like a key ring, and you can pair up to 8 trackers simultaneously to a phone Specifications: 1. Bluetooth version: Bluetooth 4.0 Low Energy 2. Compatible Phone: For iPhone4S/5/5S/5C, for iPad Mini, for iTouch 5, for iPad 3/4, for iPad Air and for Andriod system with Bluetooth 3. 4.0 Smartphone Andriod 4.3 version and up-grade version 4. Working distance: About 75 Feet (without barrier ) 5. Suitable for: Wallet, Car, Kid, Pets, Bags,Suitcase or other belongings. 6. Battery : CR2032 Lithium Coin Battery 7. Standby time: 6 month