Meet the Hero Arm: a muscle controlled 3D printed robotic arm that can make life easier for amputees. This medically approved bionic arm has space grade motors and lets users lift up to 8kg. It comes with lights, sounds, and vibrations to give you feedback. You can change its covers to match your current mood.
The Hero Arm lets you control the speed of fingers for various tasks. It has a long battery life and keeps users comfortable all day long. More info is available here.