1. Tsim los nrog muaj zog nano kua nplaum, yooj yim rau lo thiab tshem tawm yam tsis muaj kab, muaj kom phim txhua yam tawv.
2. Magsafe annular sib nqus coils zoo kawg nkaus sib luag rau qhov tseeb qhov chaw thiab tsis siv neeg adsorption.
3. Txhawb nqa ceev thiab muab tso.
4. Lub rooj teeb tsa txhawb nqa 360 ° kev sib hloov, txhua lub kaum sab xis yog khov kho kom koj tuaj yeem kho lub xov tooj raws li koj xav tau.