WP 820-/Grandstream WP820 Enterprise Portable WiFi Phone

Line Support - 2 SIP accounts, 2 lines
Speaker Phone - HD Audio support for wideband audio, HAC supported
Talk Time - 7.5 hour talk time, 150-hour standby
Display Type - 2.4 inch (240x320) TFT color LCD
Connectivity - Bluetooth 4.2
Warranty - 1 Year