Best Buy: Logitech G613 LIGHTSPEED Full-size Wireless Mechanical Romer-G Tactile Switch Gaming Keyboard with 6 Programmable G-Keys Black 920-008386
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Amazon.com: ienza Replacement USB Receiver for Logitech G613 Lightspeed Wireless Mechanical Gaming Keyboard (Please Check Your Keyboard Model Before Buying. Not Compatible with Other Models, Devices or Brands) : Electronics
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USB Dongle Signal Receiver Adapter for Logitech G613 Wireless Gaming Keyboard | eBay
Amazon.com: Replacement Receiver for Logitech G613 : Electronics
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