1, hloov kho tshiab cov duab ntawm tes.
2, Nws tuaj yeem ua kom tsis muaj menyuam ntawm 135 degrees ntau zaus yam tsis muaj deformation.
3, 360 degrees ntawm kev ywj pheej teb interface los txo cov neeg siv qaug zog.
4, Kev tsim cov plua plav pov thawj ntawm lub taub hau ntawm tes kom tiv thaiv cov khoom tsis huv thiab cov khoom los ntawm kev koom nrog nws.
5, Xauv-hom, ruaj khov dua, tiv thaiv bur ya tawm.