Logitech K350 Wireless Keyboard - Wave-shaped, Cushy Cushion, USB Port, Unifying Receiver, Advanced 2.4 GHz Wireless, Instant Media Access, Programmable Keys, 2 AA Batteries, Black - 920-001996 at TigerDirect.com
Logitech MK570 Comfort Wave Keyboard and Mouse Bundle - Walmart.com
11 years and still going strong - Logitech Wave K350 wireless keyboard : r/BuyItForLife
Amazon.com: Logitech MK550 Wireless Wave Keyboard and Mouse Combo - Includes Keyboard and Mouse, Long Battery Life, Ergonomic Wave Design, Black : Electronics
Amazon.com: Logitech MK550 Wireless Wave Keyboard and Mouse Combo - Includes Keyboard and Mouse, Long Battery Life, Ergonomic Wave Design, Black : Electronics
Logitech MK550 Wireless Wave Combo 920-002555 B&H Photo Video