Operating Instructions:1. Slide switch up to turn on brush.2. Gently glide bristles back and forth against the teeth/gum surfaces without pressing hard for about 2 minutes while brushing your teeth. Brush head is not replaceable. AAA batteries included. Use only AAA alkaline batteries; see Manufacturer's usage instructions for safe handling and usage. Do not mix old and new batteries. Do not mix alkaline standard (carbon-zinc) with rechargeable (nickel-cadmium) batteries.
Always refer to the actual package for the most accurate information