The IQOS Holder uses revolutionary technology with a platinum and ceramic heating blade to regulate heating, ensuring consistent taste and duration of every stick. For the best experience, use the IQOS 2.4Plus pocket charger and holder. 2.4Plus: SMARTER, FASTER, BETTER Faster insertion into the holder Vibration alarm at start and end of tobacco stick consumption Brighter LED display for better visibility Bluetooth-enabled to connect with the “MY IQOS CH” app (only on Google Play) Use only with HEETS tobacco sticks.