Yealink Optima HD voice Dual-port Gigabit Ethernet 4.3" 480 x 272-pixel color display with backlight Built-in a USB port, support Bluetooth headset (Through USB Dongle) Up to 16 SIP accounts Paper label free design PoE support Headset, EHS support Supports expansion modules Stand with 2 adjustable angles Wall mountable Simple, flexible and secure provisioning options

• 4.3" 480 x 272-pixel color display with backlight
• Dual-port Gigabit Ethernet
• Built-in a USB port, support Bluetooth headset (Through USB Dongle)
• Supports expansion modules
• Up to 16 SIP accounts

4.3" 480 x 272-pixel color display with backlightYealink