Bluetooth version: Bluetooth 4.0 Low Energy Battery: CR2032 Lithium Coin Battery (not included) Working distance: About 75 Feet (without barrier). Compatible Phone: iPhone4S/5/5S/5C， iPad Mini， iTouch 5， iPad 3/4， iPad Air and Android system with Bluetooth 4.0 Smartphone (Android 4.3 version and up-grade version). Exquisite design and wonderful experience. Standby time: 6 month Net Weight: 9 gram Available colors: White， Red， Green. Certificates: CE/ROHS/EPL App Name: iTracing (Free of charge) Connects up to 10 iTag unit App language: English， Chinese， French， Spanish Suitable for: Wallet， Car， Kid， Pets， Bags， Suitcase or other belongings. Package Includes: 1 x iTag IT-05 Smart Bluetooth Tracer Remote Shutter