Feature:1. Double lubrication strip secretes more lubricating fluid and makes shaving smoother.2. Lubrication strip on the will gradually turn white, reminding the need to replace blade.3. Elastic sensor blade helps to sense subtle undulations of facial skin.4. Front hinge technology brings greater angular flexibility, and sensor head, which fits facial curve like water.5. The 3-layer blade is universal, convenient and fast, to meet your needs.Specification:Condition: 100Percent NewItem Type: BladeUsage: 3 layers of blades are universally applicable Package List:16 x Blades