FOREO issa 4 Plus Smart Hybrid Silicone Sonic Toothbrush in Black Meet ISSA™ 4 plus Smart Hybrid Sonic Toothbrush - a complete, personalized dental care experience with features designed to protect your gums, whiten your teeth, and keep your mouth feeling fresher for longer. Its innovative hybrid brush head offers twice the longevity of traditional brushes, while AI smart technology adapts to your brushing habits, ensuring you get the most effective clean every time.. Targets cavities, gum disease and bad breath. NEW! AI Pressure Adapt analyzes pressure & auto-adapts the intensity for a comfortable brushing experience. NEW! 3 brushing modes: Deep Clean, Whitening & Sensitive for a customized cleanse. Before the first use, unlock the device, activate the 2 year limited warranty, and choose settings via the FOREO For You app.. Apply your regular toothpaste to the ISSA™ 4 plus brush head and turn on by pressing the power button. Select your preferred brushing mode if desired.. Tip: The default setting will be Deep Clean mode. For Sensitive mode, press the feather button. For Whitening mode, press the tooth button. You can adjust settings further via the FOREO app.. Brush your teeth for 2 minutes, just like with a manual toothbrush. Rinse your mouth and rinse ISSA™ 4 plus with water. Use the ISSA™ 4 plus tongue and cheek cleaner on the back of the brush head to finish your routine.. FREX-WU39. F2976. About the designer: FOREO was founded in 2013 in Sweden with a rebellious spirit and an unquenchable thirst for more. Short for For Every One, the brand's creators thrive on making a radical difference in people's everyday lives, transforming daily routines into vibrant rituals with cutting-edge technology and sleek, modern designs.