Flylinktech Mini Keep Key Waterproof Smart APP Anti-lost Object Finder Bluetooth 4.0 Remote Control for iPhone 5S 5C 5 4S iPod Touch 5 iPad 3 4 Samsung Galaxy S3 S4 Note 3 (Blue) The Keep key integrates both Anti-Lost and Remote-Control into a small unit. You can hang it on key-chain or bags, and bring it everywhere Distance can be adjusted (30m-50 m)Compatible with iPhone 5/4S, iPod Touch 5, iPad 3/4, mini iPad and Samsung Galaxy S3 S4 Note 3 Free download and install the Keep APP on your phone, then connect your phone with the Keep key  via Bluetooth 4.0.Freely add and modify various functions via the Keep App High efficient and low power consumption, can work about 1000 hours with only one CR1632 button cell Made of soft rubber and aluminum alloy, durable and beautiful