What is oral b io gentle care brush heads 4 pack? The oral b io gentle care brush heads 4 pack is a set of brush heads for the oral b io toothbrush. They are specifically designed to offer a gentle yet effective cleaning experience, with a particular emphasis on sensitive areas and gums. The pack contains 4 brush heads, offering the convenience of easy delivery. What are the key features? Specifically designed for gentle cleaning of sensitive areas and gums features up to 4000 soft bristles equipped with a cushioning outer ring to protect gums and adapt to the curvature of teeth uses io technology to combine the iconic oral b round brush heads with gentle micro vibrations recommended by dentists worldwide for efficient cleaning usage how to use oral b io gentle care brush heads 4 pack ensure the toothbrush is unplugged if not charging. Attach the brush head securely to the handle. Press the power button to select your preferred intensity level. Brush teeth for the recommended 2 minutes, changing zones every 30 seconds as indicated by the timer. After use, turn off the toothbrush and rinse the brush head under running water. Usage warnings precautions to consider before using oral b io gentle care brush heads 4 pack ensure brush heads are securely attached to the handle before use. Brush heads should be changed every 3 months for optimal cleaning performance. Avoid direct contact with eyes and keep out of reach of children. If the brush head shows signs of wear before 3 months of use, it is advised to replace it early for effective cleaning. Warnings