Can I try out an actual device before I purchase? Where can I try it? GVIDO Customer Support 14 April 2019 16:20 Updated We currently do not offer this service. Related articles Can I try out an actual device if I visit the GVIDO office? Do you offer discounts for purchasing multiple devices? What file types can be imported? Does the GVIDO offer backlighting? Can I order over the phone, FAX or email?