- Concept ZK3010 sonic toothbrush designed for children aged 1 to 5 years - Offers 24,000 vibrations per minute, ideal for gentle care of children's teeth and gums - Long-lasting rechargeable battery, up to 1 month of use per charge - Features 2 cleaning modes to suit different needs - Smart timer helps maintain the recommended brushing time - Colorful LED backlighting motivates children during brushing - Waterproof processing for greater safety and easy cleaning - Includes 4 replacement brush heads for increased durability - Pink color, ergonomic and safe design, made for small hands