[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]: Features three 360° floating heads that adapt to facial contours, allowing blades to closely follow the curves of the face for a precise and close shave. Effectively handles beards at various angles. [Anti-Allergic]: Designed with skin-friendly materials and construction to help reduce skin irritation. Suitable for use on all skin types. [Installation Tips]: The RQ11 shaving head is designed for durability, 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: 2 x Shaver Head, 2 x Cleaning Brush Note: The actual product color may vary slightly due to lighting and screen display differences. Measurement may vary by +/- 1-3 cm.