WHY CHOOSE US? - With 1/3 of the market price, you can get the same quality product here! Our key finders & trackers can easily locate and find your items iOS & ANDROID COMPATIBLE - Locate your belongings easily with our free SwiftFinder app, compatible with both iOS and Android devices. You can also find it using Alexa, Siri, or Google Assistant FIND KEYS & MORE - Attach it to daily items like keys, bags, wallets even pets, then use our ​free app to track and find them FIND PHONE - Just double press the button on the phone finder to make your phone ring, even if it's in silent mode FIND NEARBY - Wake up and ring your Bluetooth tracker by using the SwiftFinder App when it's within 140ft. (Distance may be affected by obstacles) NOTIFY WHEN FOUND - If your lost item is found, the person who finds your item can scan the QR code on your lost SwiftFinder key finder to view your contact information and get in touch with you SEPARATION ALERT - When the ST21 is out of Bluetooth range, your phone will make a sound to remind you might leave something behind SHARE WITH FAMILY - You can also use the SwiftFinder app to share the location of your items with family member LOCATION RECORD - App records your location for 30 days to help track your lost things. You can delete records or turn off this function key finder