... .Small size 4.Clear voice 5.Long standby time Solar 2-way GSM Audio Device,Audio Device,GSM audio listening device,GSM ... for either CDMA or 3G network!Flashlight:Regardless of the boot or shut down in the state, touch the “X” labels ... the back cover, insert the SIM card holder automatically boot, boot-up indicator light 5-8 seconds until the indicator light ...