- Concept ZK3020 sonic toothbrush designed for children aged 1 to 5 years - Sonic technology with 24,000 vibrations per minute for deep and gentle cleaning - 2 cleaning modes that adapt to the sensitive gums and teeth of little ones - Smart timer that helps maintain the recommended brushing time - Colorful LED backlighting to make brushing more fun and motivating - Long-lasting rechargeable battery: up to 1 month of use per charge - Includes 4 replacement brush heads for greater durability and savings - Waterproof processing, ideal for safe use in the bathroom - Blue color, ergonomic and lightweight design, easy for children to handle - Perfect for encouraging oral hygiene habits from an early age