Zolemba Zogwiritsa Ntchito, Malangizo ndi Maupangiri azinthu za Yongjun.
Yongjun S31 True Wireless Headset User Guide
Phunzirani momwe mungakhazikitsire ndikugwiritsa ntchito S31 True Wireless Headset ndi buku lathunthu ili. Pezani malangizo atsatanetsatane pakuyanjanitsa, kulipiritsa, ndikugwiritsa ntchito mutu wa Yongjun S31.