1.Suitable for 7 series : 70-N1300S/70-N1000S/70-S4200cs/ 70-B7200cc/70-N4300cs/70-B4320cs/ 70-S7300cc/70-S7001cc 2,High-Quality Materials: It is made of selected high-quality materials to achieve continuous, efficient and easy-to-use characteristics. 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. 4,Special Processing Technology: The replacement head adopts a special processing technology to which more highlights the texture of your shaver. 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. Color: As shown Material: plastic + metal Package Contents: 1 x shaving accessories 1 x brush Only 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.