Tracker TRK-BLK-1PK Bluetooth Tracking Device Blac The Radar Screen displays all of your devices within range. Tracker Compatible Devices: iPhone 4S and above, iPad 3 and above (including iPad Mini and iPad Air), The New iPod Touch (5th generation and above), Samsung Galaxy S3 and above, Samsung Note II and above, and any device running Android 4.3 & 4.4. 29.90$39.95 ORDER upserguide Play VideoPlay VideoPlay Video About The Size Of A Quarter! Tracker Stickers are only 0.16 Inches (4.1mm) thin. With a compatible size, Tracker Tracker can be easily stuck on to many items. Size Weight Diameter: 0.98 Inches x Thickness 0.16 Inches Trackable stickers: enabling your sticker to be trackable allows it to be displayed on a map as last place seen. I Connectivity: Bluetooth 4.0 (Bluetooth Low Energy) Tracker Stickers have a Range of about 100 Feet, with a Battery that lasts for over a year