... protection for over charge , over discharge, short-circuit to keep the charging process safely.4.Batteryindicator button, whatever it's on or ... ADSL/DHCP and WAN/LAN without any preset profile.2.The patented software, it could make wired broadband connection automatically , ... including more than400 kinds of popular USB 3G modemsall over the world, dial automatically without any manual setting.2.Plug ...