You can then use it in two ways:
Protection: Whenever your Smartphone and the object or person with the Smart Nudge move away from each other by the selected distance an alarm will go off.
Locate: You can use the Smart Nudge to Buzz when you press the locate button on the free app (apps available for both Android and Apple). This will let you find your keys, backpack, wallet, purse or any other belonging easily
Available in Apple and Android App Stores Just search for "Smart Nudge"
Active Distance @ 20M
Frequency range: 2.4GHz ISM Band - 1Mbs on-air data rate
Data Rate: 1Mbs on air data rate
Bluetooth Rate: Bluetooth v4.0 (low energy peripheral device)
Bluetooth Profile & Service: Proximity Profile/Find Me Profile/Alert notification Profile/ Battery Service/Device Information Service/TX Power Service
Size: 45 x 30 x 4.0 (mm)
Operation Distance: 7~30ft / 2~10m
Compatible: Samsung : Galaxy S3/R Style/Note 10.1/Note 2 or later
Apple : iPhone4S/New iPad/iPhone 5/iPod Touch 5th Generation or later
Battery Life: Over 6months (CR2016x1ea), In case of connected status
Dimensions: 53 x 83 x 4 mm
Weight: 56 g