1.What is the Power Talkie?Power talkie is The Advanced Off-Network Comms Device.it can create network for cellphone when there is no mobile service or Wi-Fi outdoor.2.How to use the power talkie?You just download app and open it.Connect your cellphone to power talkie through bluetooth on app.3.What is the connection range for the Power Talkie?The Power Talkie can connect to other Power Talkie over a range of up to 20 miles.4.Does Power Talkie work with android and iOS phones?Yes it does.5.How long does the battery last?The Power Talkie battery can last up to 7 days.