1. Kov qhov tseeb, ntau tshaj 90% ntawm qhov kov yog ± 2 hli. Kev sib txuas lus hom, puv ceev USB.Vdink zoo tshaj plaws sib tham sib board kov npo ntse board rau chav sib tham.
2. Lub hardness ntawm qhov screen sau yog lub cev nruj Mohs 7 tawg-pov thawj.Vdink zoo tshaj plaws sib tham sib board kov npo ntse board rau chav sib tham.
3. Kov kev pab cuam lub neej Lub neej kev pab cuam yog ntau tshaj 80,000 teev.Vdink zoo tshaj plaws sib tham sib board kov npo ntse board rau chav sib tham.

2022.03.02