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
