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Logitech Wave Keys Wireless Ergonomic Keyboard with Cushioned,Graphite, MSRP $38

Logitech K350 Wireless Wave Ergonomic Keyboard With Unifying USB Dongle Black

Logitech Wave Ergonomic Wireless Keyboard Y-RCP140 with No USB Receiver dongle

Logitech K350 Wireless Wave Keyboard Ergonomic Black NO USB Dongle

Logitech Wave Keys Wireless Ergonomic Keyboard w/ Wrist Rest + USB Receiver

Logitech Wave Keys Wireless Ergonomic Keyboard - Graphite *NO DONGLE*

Logitech Wireless Wave K350 Ergonomic Keyboard With USB Receiver No Dongle