Alti-ntchito wanzeru kwambiri

Kufotokozera kwaifupi:

Smart Dumbbell ndi chipangizo chosinthasintha komanso chamakono chokwanira omwe akufuna kuphatikiza kuchipatala ndi ukadaulo wamakono. Kulemera kwake kosinthika, kapangidwe kake ka ogwiritsa ntchito ndi zinthu zanzeru kumapangitsa kuti zikhale pamsika woyenera, kupereka ogwiritsa ntchito moyenera, njira yoyendetsera zinthu yoyendetsedwa ndi deta.