Wireless Smart Bluetooth 4.0 Anti Lost Alarm Bluetooth Tracker Key Finder Child Elderly Pet Phone Car Lost Reminder Self-portrait Camera for Apple Iphone Ipod Ipad Android Black,White,Pink,Green Bluetooth version: Bluetooth 4.0 Low Energy Working distance: About 75 Feet (without barrier ) Standby time: 6 month Net Weight: 9 gram Compatible Phone: iPhone4S/5/5S/5C, iPad Mini, iTouch 5, iPad 3/4, iPad Air and Andriod system with Bluetooth