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Logitech MK270 Wireless Keyboard and Mouse Combo | Dell USA
Wireless USB Unifying Receiver Dongle For Logitech K350 K340 N305 K800 MK270 | eBay
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Logitech USB Nano Receiver Dongle for Mouse/Keyboard MK270 - Newegg.com
Free shipping original new mouse and keyboard receiver for Logitech mk270/mk260/mk220/Mk240/MK345|keyboard receiver|mouse mousemouse original - AliExpress
Logitech Nano Receiver for Mk270 (non-unifying) for sale online | eBay