Logitech K580 Multi-Device Wireless Keyboard

‘- Weight (with batteries): 558 g (including battery)
– Battery life Keyboard: 24 months
– Battery type: 2AAA (included)
– Wireless operating distance: 10 m 3Wireless range may vary due to environmental and computing condition
– Wireless technology: Logitech Unifying™ Receiver or Bluetooth low energy technology
– Unifying ready receiver: Yes
– 1-Year Limited Hardware Warranty
– Off-white: 920-009211
– Graphite: 920-00921