Logitech K270 Wireless Keyboard - Logitech unifying receiveer - Advanced 2.4GHz wireless technology - 24-month battery life - Eight hot keys - Spill-resistant - 920-003057 - 3 years limited hardware warranty

Logitech MK120 Desktop Combo - Logitech Desktop K120 USB Keyboard - Sturdy, adjustable tilt legs - Curved space bar - Plug-and-play USB connection - Logitech Conqueror - 920-002586 - 12 months limited hardware warranty

Logitech Signature M650 Wireless Optical Mouse - Graphite - Shape: Right-Handed - Sensor: Advanced Optical Tracking - DPI: 400, up to 4000 - Connectivity: Logi Bolt USB Receiver, Bluetooth Low Energy (LE) - Buttons: 5 - Weight: 101.4g - Battery type: 1x AA battery (included) - Battery life: With Logi Bolt USB Receiver: up to 24 months, With Bluetooth: up to 20 months - 910-006262

Logitech K580 Slim Multi-Device Wireless Keyboard - Graphite - Compatible with Bluetooth enabled phones and tablets - Battery life Keyboard: 24 months - Battery type: 2AAA (included) - Wireless operating distance: 10m - Wireless technology: Logitech Unifying Receiver or Bluetooth low energy technology - Phone not included - 920-009210 - 12 Months Limited Warranty

Logitech MK540 Advanced Wireless Keyboard and Mouse Combo - Keyboard: 36-month keyboard battery life (2 x AA batteries pre-installed), Advanced 2.4GHz wireless (10 meters), Tiny USB receiver with Logitech Unifying Technology - Mouse: 18-month mouse battery life (1 x AA battery pre-installed), Full-size and ambidextrous, Advanced optical tracking - 920-008682 - 12 Months Limited Warranty