[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 other compatible models. [Smooth Shaving]: Three 360-degree floating heads contour to the face, allowing blades to closely follow facial curves and capture hair at various angles for a close, comfortable shave. [Anti-Allergic]: Designed with skin-friendly materials and fine mesh netting to reduce irritation, making it suitable for most skin types, including sensitive skin. [Installation Tips]: Replacement heads are wear-resistant and do not require frequent changes. 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 Note: The product color may vary slightly due to lighting and monitor settings. Measurement may vary by +/- 1-3 cm.