Wireless Keyboard Logitech ERGO K860, Curved keyframe, Split layout, Ultra precise typing, Wrist rest, 2xAAA, 2.4Ghz+BT, EN/RU, Graphite. PN: 920-010110DIMENSIONSHeight: 9.17 in (233 mm)Width: 17.95 in (456 mm)Depth: 1.89 in (48 mm)Weight: 40.92 oz (1160 g)TECHNICAL SPECIFICATIONSConnection supportUSB ReceiverBluetooth low energy technologySoftware supportLogitech Options on macOS 10.11 and above and Windows 7 and aboveBattery type2 x AAA BatteriesWireless range10 m (33-ft) wireless range 9Wireless range Wireless encryptionPACKAGE CONTENTSErgonomic KeyboardUnifying USB Receiver2 x AAA batteriesQuick Start Guide