HR 4 is the fourth entry in Dr Robot's series of low-cost androids. It uses patented DURAS architecture, has excellent balance, and grasps object with pincer grip hands.
The 6th generation of Dr Robot's android series, HR 6 can recognize faces, obey voice commands, read emails and do online research. It also sings, dances and tells jokes.
Released 2 years after HR 4, more stable HR 5 has a wider foot platform and can walk straight unassisted. Like HR 4, it has a rechargeable battery and pincer-grip hands.
