Speed: 1. Charge the device. 2. Fill the water tank. 3. Select a cleaning mode. 4. Lean over a sink. 5. Aim the flosser tip at the gumline. 6. Turn on the device.
Bristle Texture: 1. Press tip firmly into unit until it clicks in place. 2. Fill with lukewarm water. 3. Lean over sink, place flossing tip in mouth, and turn unit on. 4. Follow gumline and pause briefly between teeth, allowing water to flow from mouth into the sink. NOTE - If water does not flow on first use: prime the unit by turning power off and drawing water through the flossing tip as if it were a straw, just until water flows through. (The reservoir should contain at least 1 inch of water before attempting to prime.) Then use the product as instructed.