audioguide devicea for museums and outdoors visits

audio guide tour devices museum equipment recorded spoken commentary handheld device visitor attractions selfguided tours organised background context information isolated headphone input museology selective focus touch pushbutton technology cell phone cultural exhibit storytelling infotainment batteries rechargable languages friendly simple vocal assistant lightweight ergonomic object numbers accessible visitors touching archeology institutions exhibitions shape objects items interact multilingual versions spot fee controllable contentrich output analog loop galleries synchronicity interaction vertical electronic 90s ninenties old audioguide devicea museums outdoors visits visits black