SpotStay is a small tracker that uses Bluetooth® wireless technology to help locate and remember important personal items. Stick SpotStay on belongings you tend to misplace. It works together with an app on your phone to find misplaced items. Features: • Two-way finding helps locate your phone and/or SpotStay device • Adhesive backing • Find Mode sounds an alarm from the SpotStay device to locate it • Tether Mode can send an alert before you leave behind important items • Connect and manage up to four Spot devices • Replaceable battery • Free app for IOS and Android devices