Support the communication of usb (type a)port and pc, and software upgrade
support usb modem plug & play for internet connection support english and spanish menus, input way and font
provide alarm clock, calendar, calculator, world clock, practical application tools support for user-defined 5 speed dial keys
specification
external interface : micro usb interface, usim card interface 1.8/3v usim cards,
display 2.8-inch monochrome stn display, green backlight resolution 123x64
inbuilt antenna that is not visible on the outside but high reception capacity
power adapter ac output 100v~240v 50/60hz dc input 5v,0.65a power interface:single connector
theory standby time: 96 hours theory talk time: 240 minutes
frequency range wcdma:900/2100mhz gsm/gprs:900/1800/1900mhz7
technical standards wcdma 3gpp r99 gsm/gprs 3gpp r99 gprs etsi gsm compliant