Set Includes RFID Passport Wallet And Seek Two-Way Tracker. Wireless Two-Way Tracker Featuring Bluetooth® 4.0 Technology. Follow Instructions To Download The Seek App And Pair To Your Handheld Device. Never Lose Your Passport Wallet Again With One-Touch Find. Using Two-Way Technology, Locate A Seek Device From Your Phone Or Find Your Phone By Triggering An Alert From The Seek. Map Where Your Seek Device Was Last Tracked. Multiple Seek Devices Can Be Paired To The App Simultaneously. Connects Up To 120 Feet From Your Phone/Tablet. Replaceable Cell Battery #CR2032 Included. Compatibility: iPhone®/iPad®/iPod® with iOS 7.1 or newer and Android 4.3 or newer. Wallet Made Of Polyurethane. Place Your Credit Cards In Holder To Prevent Cyber Hackers From Stealing Your Identity. Prevents Data Transfer Between The Wallet And Reader. Works With Any Contactless Chip Card. Cards That Are Swiped Do Not Send RFID Signals And Will Not Be Protected By An RFID Blocker. The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Hit Promotional Products, Inc. is under license. Other trademarks and trade names are those of their respective owners. iPhone, iPad, iPod And IOS are trademarks of Apple Inc., registered in the U.S. and other countries. Android is a trademark of Google LLC.