Sensor: Optical Communication: Wireless 2.4Ghz Interface: USB Resolution: 800 / 1200 / 1600 DPI Reception: 10m Number of buttons: 3pcs + DPI

Sensor: Optical Interface: Wireless 2.4Ghz Resolution: 1000/1600 DPI Numbers of buttons: 5 Numbers of scroll: 1 Colour: Grey

Keyboard - Key Layout: Standard (QWERTY) Keyboard - Multimedia Keys: Yes (after pressing Fn) Keyboard - Numeric Keys: Yes Keyboard - Built-in USB HUB: NO Keyboard - Short keystroke: Yes Keyboard – Backlight: NO Keyboard - Number of keys: 104 Keyboard - Communication with computer: 2.4GHz Wireless Keyboard – Interface: USB ...

Cable length (m): 1.2 Connector: Minijack (3.5mm) Call answer button: Yes Microphone: Yes Frequency response: 20Hz-20kHz Headphone performance: 103 ±3 dB Color: Black and Blue

Microphone Type: Unidirectional Sensitivity (headphone): 32 Ohms Sensitivity (headphone): 100 dB +/-3 dB Sensitivity (microphone): -58 dBV/µBar, -38 dBV/Pa +/- 4 dB Frequency response (Headset): 20 Hz - 20 KHz Frequency response (Microphone): 100 Hz - 16 KHz Weight: 0.074 kg Cable length: 2.35 m

Noise-cancelling mic: Yes (bi-directional) Connections: USB‑A Works With Mobile Devices: No Controls: In-line Customize with Logi Tune: No Earpads: Leatherette, padded Color: Black Cable Length: 1.9 m Weight: 0.197 kg

Keyboard Spill-resistant design <span...

Sensor technology Optical...

Sensor technology Smooth optical tracking <p...

Keyboard Adjustable keyboard height <span...