[Product Compatibility]: Compatible with RQ11 2D models: RQ1150, RQ1151, RQ1155, RQ1160, RQ1180, RQ1190, RQ1160CC, RQ1180CC, RQ1131, RQ1141, RQ1145, RQ1175, RQ1195, RQ1150X, RQ1160X, RQ1180X, RQ1185, RQ1190X, RQ1195 and more [Smooth Shaving]: Three floating 360-degree heads can adjust to facial contours, allowing blades to closely follow beard growth and effectively handle various facial angles for a thorough shave. Easily adapts to different beard areas [Hypoallergenic]: Made with skin-friendly materials and processes to help prevent skin irritation. Suitable for all skin types, reducing the risk of allergic reactions [Installation Tips]: The RQ11 head is wear-resistant, reducing the need for frequent replacements. After installation, apply a small drop of baby oil to each blade and run the shaver for 10 seconds to ensure smooth operation Color: Black + Silver Material: Plastic + Metal Package Contents: 1 x Shaving Head 1 x Cleaning Brush The package includes only the items listed above; other products are not included Note: Lighting and display differences may cause the color in the image to vary slightly from the actual item. Allowable measurement error is +/- 1-3 cm