1.Suitable for 3 series 30B :310,330, 340, 199, 197s-1, 195s-1,199s-1, 4735,4736,4737,4745,4775,4835,4845,4875,4876, 5713,5714,5491,5492,5493,5494,5743,5745,5742, 7475,7493,7497,7504,7505,7510,7511,7514,7515,7516,7520,7526,7540,7546,7564,7570,7630,7640, 7650,7664,7680,7690,7763,7765,7783,7785,7790,<br> 2,High-Quality Materials: It is made of high-quality materials to achieve continuous, efficient and easy-to-use characteristics.<br> 3,The Best Shaving Effect: In order to get the best shaving effect continuously, we recommend that you change the shaving head every 18 months. Within 18 months, your electric shaver can trim more than 6 million hairs, thereby gradually reducing pruning performance.<br> 4,Special Processing Technology: The replacement head adopts a special processing technology to which more the texture of your shaver.<br> 5,Restore Performance: Changing the head can restore your shaver's performance and get a better shave effect. By changing the head regularly, the shaver will maintain its best condition for many years.<br> <br> Color: as shown<br> Material: Plastic+Metal<br> <br> Package Contents:<br> 2 x shaving accessories<br> <br> Only the above package content, other products are not included.<br> Note: Light 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.