bluetooth Technology Works With The Free Taylor Smarttemp App So You Can Leave The Oven Or Grill & Track Cooking Temperatures From Your Enabled Device Transfers Data Wirelessly To Tablets and ipads Or Smart Phones Ios & Android Products With Bluetooth 4.0 Or Higher. (phone Or Tablet Not Included.) Monitor Two Temperatures At The Same Time: Meat & Ambient Oven and grill Or Meat & Candy 9 Meat Preset Temperatures: Ground Beef & Poultry Beef Pork Veal Lamb Chicken Poultry & Fish Or Set A Custom Temperature Backlit Base For Easy Reading In Darker Settings Timer Function Can Work With Thermometer Function Or Independently Save Foods Into History Records For Future Reference. Upload Results To Popular Social Media Sites Base Unit Can Function As A Thermometer Or Timer Without Use Of The App Operates On 2 AAA Batteries (included) Requires Bluetooth 4.0 Or Above Mobile Devices Compatible With This Smart Thermometer: Iphone (4s & Later) Ipad (3 Later) Ipod Touch (5 & Later) & Ipad Mini Using Ios 6 & Above. Android Products: Samsung Galaxy S3 and s4 and note Ii & Above HTC One Google Nexus 4 & Above