Most commercial prosthetic hands lack closed-loop feedback. thus. a lot of research has been focusing on implementing sensory feedback systems to provide the user with sensory information during activities of daily living. This study evaluates the possibilities of using a microphone and electrotactile feedback to identify different textures. https://www.chiggate.com/nicabate-clear-patch-stop-smoking-transdermal-drug-delivery-system-nicotine-21mg-7-pack-online/