【The Largest Battery Capacity on the Market】Boasting an impressive 90-day super long-lasting battery life on a single charge, this travel toothbrush case is a must-have for your journeys - whether you're traveling, on a business trip, heading to school, camping, or using it for daily family life. You can travel worry-free without needing to pack chargers or worry about running out of power. 【Exceptional Longevity and Convenience】Providing 30 months of usage with 10 replacement brush heads (each lasting 3 months), this comprehensive accessory set also includes 1 travel case, 1 USB charging cable, 1 user manual, and 1 toothbrush stand. This ensures exceptional long-term value and convenience, keeping users well-equipped for extended use without the need to frequently purchase new brush heads. 【Advanced Plaque Removal】Powered by a metal shaft, Kuicur electric toothbrush utilizes the latest sonic vibration technology to deliver exceptional cleaning performance. Reaching up to 42,000 vibrations per minute, this high-frequency sonic motion is far beyond the capabilities of traditional electric toothbrushes. The metal-driven sonic vibrations effectively dislodge plaque and food debris, providing a deep, thorough clean. 【Versatile 5-Mode Design】This electric toothbrush offers users an even more versatile and customizable cleaning experience.The 5 core modes allow users to precisely target their specific oral health requirements, whether it's thorough cleaning, whitening, gum care, or gentle sensitivity-focused brushing. This level of personalization further enhances the product's ability to deliver exceptional cleaning results tailored to individual user needs. 【SMART VIBRATING NOTIFICATION TIMER】 Built in smart timer control, 30 seconds interval reminding you to move to the next quadrant of your mouth, and totally in 2 minutes(4 quadrants), which is highly recommended by professional dentists, as a correct brushing way. Portable Electric Soft Toothbrush