With 40,000 sonic pulses per minute and four bespoke brushing modes, it ensures effective plaque removal and promotes healthier, whiter teeth. Plus,it comes with a 60-day money-back guarantee. 40,000 sonic pulses, 4 brushing modes, 4+ weeks Li-ion battery, Smart 2-minute timer, Quad pacer, High quality bristles, Travel cap included, Waterproof design, Suitable for dental work.