T58A VoIP SIP telephone,2 x Gigabit Ethernet, PoE required, AC optional, 7 inch touch colour backlit TFT LCD, HD audio including Opus codec support, RJ9 headset jack, EHS support for specific Jabra and specific Plantronics headsets via USB, 2 x USB 2.0, Wi-Fi 802.11b / g / n, Bluetooth 4.0+ EDR, add up to 3 colour expansion modules, SKU #EXP, optional video camera, SKU #YKCAM50, Android 5.1.1. Optional AC power supply, SKU #PS5V20000US.