Replaceable Sonic Electric Toothbrush HeadELECTRIC TOOTHBRUSH REPLACEMENT HEADS (2 PIECES) Properties Soft & Gentle Bristles: Made from Dupont Tynex material with rounded bristle tips to protect gums and teeth. Directions for Use Attach the replacement head securely to the brush handle. Apply toothpaste onto the brush before placing it in your mouth to prevent splattering. Press the power button and tap briefly to select the appropriate mode. Brush as usual using proper technique. Hold the