Shaver head should be replaced every 18 months.Replacing your shaver head gives a 25% better shave. For performance; clean regularlyUltra-Active-Lift Middle Trimmer cuts neck and chin hairs in fewer strokesHigh-quality Materials: Made of high-quality materials, so the shaver head is continuous, efficient and easy to use.Material: plasticItem No.: 32BPower supply: rechargeableFunction: Shaver accessoriesControl method: manual replacementFit for Braun 3series:300S,301S,310S,320S,330S,340S,360S,380S,3000S,3010S,3020S,3030S,3040S,3080S,350CC,370CC,390CC,3050CC,3090CC,cruzer6 etc.colour:blackPackage Contents:4 x 32B SoloOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.