The Proove Emoji Robot Happy is a compact car air freshener designed to clip easily onto your vehicle's air vent. Crafted from a combination of ABS and aluminum alloy, this black robot-shaped diffuser weighs just 20.5 g and measures 25x50mm, ensuring it stays discreet without blocking your airflow. It uses solid fragrance tablets to scent your cabin, coming with three different options: lemon, ocean, and cologne. The package includes the diffuser itself with one tablet already installed and two spares, allowing you to switch scents based on your mood or preference.