26.5 " | 2560 x 1440 pixels | Quad HD | 16:9 | QD-OLED | OLED | 0.3 ms | Flat | Contrast 1500000:1 | Maximum refresh rate 240 Hz | Pixel pitch 0.229 x 0.229 mm | 2xHDMI ports quantity | 1xDisplayPorts quantity | Headphone out Yes | VESA Yes..

26.5 " | 3840 x 2160 pixels | 4K Ultra HD | 16:9 | QD-OLED | OLED | 0.03 ms | Flat | Contrast 1500000:1 | Maximum refresh rate 240 Hz | Pixel pitch 0.15525 x 0.15525 mm | 2xHDMI ports quantity | 1xDisplayPorts quantity | Headphone out Yes | VESA Yes..

31.5 " | 3840 x 2160 pixels | 4K Ultra HD | 16:9 | QD-OLED | OLED | 0.03 ms | Flat | Contrast 1500000:1 | Maximum refresh rate 165 Hz | Pixel pitch 0.182 x 0.182 mm | 2xHDMI ports quantity | 1xDisplayPorts quantity | Headphone out Yes | VESA Yes..

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Connectivity technology Wireless | Device interface RF Wireless + Bluetooth | Purpose Office | Optical | 2400 DPI | Scroll type Wheel | 5xButtons quantity | Black,Blue | Power source Batteries | Weight 96 g..

Polyester | Surface coloration Monochromatic | Colour Pearl | Thickness 3 mm | Weight 650 g..

Polyester | Surface coloration Monochromatic | Colour Pearl | Thickness 3 mm..

Connectivity technology Wireless | Device interface RF Wireless + Bluetooth | Purpose Universal | Optical | 1600 DPI | Scroll type Wheel | White | Power source Batteries | Weight 69 g..

Connectivity technology Wireless | Device interface RF Wireless + Bluetooth | Purpose Universal | 2400 DPI | Scroll type Wheel | Beige | Power source Batteries | Weight 66 g..

Connectivity technology Wireless | Device interface RF Wireless + Bluetooth | Purpose Universal | 2400 DPI | Scroll type Wheel | White,Green | Power source Batteries | Weight 66 g..

Connectivity technology Wireless | Device interface RF Wireless + Bluetooth | Purpose Office | Optical | 4200 DPI | Scroll type Wheel | 6xButtons quantity | Black | Power source Batteries | Weight 85 g..

Connectivity technology Wired & Wireless | Device interface RF Wireless + Bluetooth + USB Type-A | Purpose Universal | Optical | 8000 DPI | Scroll type Wheel/Rollerbar | 6xButtons quantity | Black | Cable length 1.9 m | Power source Batteries | Weight 99.7 g..

Device interface RF Wireless | Purpose Office | IR LED | 4000 DPI | Scroll type Wheel | 6xButtons quantity | Blue | Power source Batteries | Weight 80 g..

Device interface RF Wireless | Purpose Office | IR LED | 4000 DPI | Scroll type Wheel | 6xButtons quantity | Rose gold | Power source Batteries | Weight 70 g..

Device interface RF Wireless | Purpose Office | Optical | 1600 DPI | Scroll type Wheel | 5xButtons quantity | Black,Blue | Power source Batteries | Weight 64 g..