Poly CA22CD-SC Cordless PTT DECT 1880-1900 MHz PJ-7 Display resolution___2560 x 1440 pixels Zone Wireless provides the versatility

Zone Wireless provides the versatility to wirelessly connect to your computer

Performance Product type Group video conferencing system Bluetooth Yes Product colour Grey Video HD type 4K Ultra HD Maximum video resolution 3840 x 2160 pixels Supported graphics resolutions 3840 x 1080 Maximum frame rate 30 fps Audio Built-in speaker(s) Yes Number of speakers 4 Frequency range 80 - 20000 Hz Ports & interfaces HDMI ports quantity 1 USB connector type USB Type-A

It is also Works With Chromebook™ certified

5 cm (75") Display technology LCD LED backlight Yes Display resolution 3840 x 2160 pixels Display brightness 300 cd/m² HD type 4K Ultra HD Touchscreen No Response time 8 ms Contrast ratio (typical) 1200:1 Dynamic contrast ratio marketing name Mega DCR Viewing angle

Poly CA22CD-SC Cordless PTT DECT 1880-1900 MHz PJ-7 Display resolution___2560 x 1440 pixels Zone Wireless provides the versatilityCA22CD SC Cordless PTT DECT 1880 1900 MHz PJ 7 Performance Country of origin China