How to Pair Logitech H800 Bluetooth Headset - YouTube
Logitech H800 user manual (English - 232 pages)
Logitech H800 Black Wireless Over The Head Headset with Mic for sale online | eBay
Original Logitech H800 Wireless Bluetooth Headset Rechargeable Foldable Portable Bluetooth Headset With Usb-a Receiver - Earphones & Headphones - AliExpress