Amazon.com: Accessory USA AC/DC Adapter for Logitech 915-000044 Harmony RF Wireless Extender Power Supply Cord : Electronics
Amazon.com: Bluetooth Range Extender for Headphones, Headsets, Speakers, Wireless Keyboard, Mouse, Compatible USB-C Dongles for Logitech, ASUS, Plantronics, Jabra, Improves Signal to Computer, Gaming Consoles : Electronics