Color: white， pink， green， blue(Note:we send you 4pcs Random colors)PS: This item need download ��Itracing�� APP.1. Free app to pair smart phone to iTag2. Alerts when iTag and your phones are out of range3. Self-portrait. Works as remote shutter， with burst shot.4. Small and thin to easily fit anywhere 5. Wireless technology: Bluetooth 4.0/Bluetooth Smart 6. Replaceable Battery: Model CR2032 Lithium Coin Battery (Not Included) 7. Compatible: for iPhone 4S/5/5S/5C， for iPad mini， for iTouch5， for iPad 3/4， for Samsung Galaxy S3/S4/S5 or later， for NOTE 2/3， for LG Nexus 5��(OS 4.3 or above，and with Bluetooth 4.0) 8. Last Seen provides you within pin-drop on map to help you recover your item 9. Long battery life with Bluetooth low energy technology 10. Trigger on/off the voice recording on mobile phone. 11.App language: English， Chinese， French， Spanish Compatible DevicesFor iPhone6/6 Plus /5S/5C/5/4S， For iPad 5th/4th/3rd gen， For iPad mini， for iPad Air， for iPod touch(5th gen)Andriod system with bluetooth 4.0 Smartphones(Andriod 4.3 version and up-grade version) Package contents: 4* Smart Bluetooth Tracker (Random colors)