The Smart Zapper uses Bluetooth Low Energy, also known as Bluetooth Smart.
Supported models include the following:Apple Tablets and phones:
Apple iPhone 4S, 5, 5S, 5C, 6, 6 plus. Apple iPad 3, 4, Air and Mini. Unfortunately no Android tablets are supported, even if the tablet has Bluetooth 4.3 or above.
For Android, only smart phones running Android 4.3 or above are supported.
If your smart phone is running a lower version, your device may not operate the Smart Zapper even though it is Bluetooth Smart Ready. Please check with the manufacturer of your device if your device has Bluetooth low Energy.