What are the upgrades of the Xiaomi Hair Clipper 2?

The upgrades of the Xiaomi Hair Clipper 2 are listed below:
1. With powder metallurgy technology, a dual DLC + graphite electroplating layer and an all-metal design, the blade is sharper and more wear-resistant;
2. The adjustable comb has been improved from 3mm to 2mm for more precise size adjustments;
3. The comb lengths are more concise, with one comb of 2 to14mm and another comb of 16 to 28mm;
4. Upgraded from indicator to the combination of displayed number with the indicator status, the feedback of indication status is more unequivocal;
5. A metal-textured knob is used in adjustable head dial;
6. The clip accessory has been replaced with a dual-density comb, which is more relevant for hair trimming.