Logitech K480 Universal Mini Multi-Device Wireless Keyboard (K920-006342X) Refurbished, Black | MPD Mobile Parts & Devices - Motorola Authorized Distributor
User manual Logitech K480 (22 pages)
Logitech K480 Review - The Multi Device Dilemma - TechSlack
Logitech K480 Multi-Device Bluetooth Wireless Keyboard