Equipped with long lifespan SPL mesh coil, which could give you a real inhalation experience in the flavor of what you need from Nic-Salts and clouds, you can enjoy the soothing vaping Available Options: Resistance: 0.3ohm – Power Range: 30W-40W (for Freebase) Compatible with Feelin X Resistance: 0.4ohm – Power Range: 25W-35W (for Freebase) Compatible with Feelin and Feelin X Resistance: 0.6ohm – Power Range: 18W-25W (for Freebase) Compatible with Feelin and Feelin X Resistance: 0.8ohm – Power Range: 13W-18W (for Freebase MTL) Compatible with Feelin, Feelin Mini, and Feelin X Resistance: 1.0ohm – Power Range: 10W-13W (Salt Nic) Compatible with Feelin, Feelin Mini, and Feelin X Make sure to properly prime each coil and pod before use.