Core Features: 2.8 320 240-Pixel Color Lcd With Backlight, Dual Usb Ports, Dual Firmware Images, T4U Auto-P Template Unified, T4U Firmware Unified, Up To 12 Sip Accounts, Poe Support, Usb Headset And Ehs Support, Wi-Fi Via Wf40/Wf50, Bluetooth Via Bt40/Bt41/Bt51, Supports Color-Screen Expansion Modules, Stand With 2 Adjustable Angles, Wall Mountable And Handset With Hall Switch.