iBeacon C3 Mini USB Bluetooth LE 4.0 Programmable Beacon Programmable beacon and easy to sync with your existing mobile app. Uses are as endless as your app developer's imagination. Our beacons are CE-, FC-, and Mfi-certified. The C3 is a beacon powered by any USB power source Includes 1 mini USB iBeacon fully programmable. Transmission range is 300 feets. Measures 0.8 in x 0.48 in x 0.32 in. Works with iBeacon protocol UUID, Major, Minor, Transmission range, Broadcast intervals are all adjustable. Our beacons are CE-, FC-, and Mfi-certified. Transmission range is 98 feet. Measures 0.8 in x 0.48 in x 0.32 in. Fully programmable and easy to set up to create your own apps. (1) C3 Mini USB Beacon