Wutar lantarki Quartz sha bututun -- atomic sha hydrogen janareta na musamman, Beijing Hantime, patent kayayyakin!

Compact unmatched lantarki quartz sha bututun: kusa da daidai tangled a kan quartz bututun ba tare da short-kewayawa,
Loading da kuma daidaitawa matsayi ne sosai m, zafin jiki m.
Shi ne kawai mai sha bututun da za a iya saka a tsakanin Seimann-irin hosted magnetic poles.
Rayuwa kimanin sa'o'i 500.