1. Material: steel
2. Not easy to rust
3. Function: shaving
4. Voltage and power: depending on the machine
5. Control method: shaver
6. Applicable to: s510 s511 s512 s520 s530 s531 s538 s550 s551 s560 s561 s570 s571 s575 and other models
7. Weight: about 3g