PJ-307D ndi chojambulira cham'mutu chapamwamba pazida zosiyanasiyana ndi mahedifoni.Zimagwiritsa ntchito zida zapamwamba kwambiri komanso zida kuti zitsimikizire kukhazikika komanso kukhazikika.Pogwiritsa ntchito, ntchitoyi ndi yosavuta komanso yothandiza, osati kungopereka chidziwitso chomveka bwino, komanso kubweretsa kumasuka komanso kugwiritsa ntchito bwino kwa ogwiritsa ntchito.
Kugwirizana kwazinthu ndikwambiri, kuthandizira 3.5mm ndi 2.5mm pulagi yokhazikika yomvera, imatha kupirira 1A pakadali pano, kupereka chithandizo chokhazikika champhamvu.
PJ-307D ilinso ndi mankhwala odana ndi static komanso anti-oxidation kuti ateteze zida ndi kukhazikika kwa mawu.Nthawi yomweyo, mawonekedwe ake owoneka bwino komanso opepuka ndi osavuta komanso okongola, okongola komanso owolowa manja.
Sitiriyo zam'manja, zomvera m'makutu, zosewerera ma CD, mafoni opanda zingwe, osewera MP3, ma DVD, zinthu zama digito
Pogwiritsa ntchito, ntchitoyo ndi yosavuta, yosavuta komanso yothandiza, osati kungopereka chidziwitso chomveka bwino, komanso kumabweretsa kumasuka komanso kugwiritsa ntchito bwino kwa ogwiritsa ntchito.
Zonsezi, PJ-307D imapatsa ogula jackphone yapamwamba kwambiri, yokhazikika komanso yosunthika yomwe yatchuka kwambiri ndikudalira mawonekedwe ake apadera komanso magwiridwe antchito.