Nkhunda ndi njiwa mphete choyamba mtundu wa chizindikiritso, ndi chizindikiritso mphete makamaka kwa kusiyana mkati, kusiyanitsa mwamuna ndi mkazi, kusiyanitsa mwamuna ndi mkazi. Palinso kusiyana kwakunja.
Mwini njiwa ambiri ali ndi nkhunda zambiri mozungulira. Pofuna kulekanitsa nkhunda kwa wina ndi mzake, amabweretsa mphete zozindikiritsa zosiyana. Kuphatikiza apo, mphete ya njiwa yonyamulira imagwiritsidwa ntchito kwambiri kukumbukira tsiku la njiwa yonyamulira kapena kuthamanga kwa nkhunda.
Pakadali pano mphete ya phazi la nkhunda yopangidwa ndi MIND nthawi zambiri imakhala ndi s256 chip. Titha kupereka ntchito yobisa, ndipo mphete ya MIND yotsekedwa imatha kugwiritsidwa ntchito mwachindunji munjira yothamanga ya njiwa ya Benzing ndi Mega racing clock system.