How to pair or connect a wireless mouse to a system via Bluetooth or USB Dongle
Razer's new Orochi V2 mouse lasts over 900 hours, and it's customizable - Neowin
Razer Orochi V2 - Mobile Wireless Gaming Mouse with up to 950 Hours of Battery Life (Ultra Lightweight Design, HyperSpeed Wireless & Bluetooth, 2nd Gen Mechanical Mouse Switches) Black : Amazon.co.uk: Computers
Razer Orochi V2 Review - RTINGS.com
Razer Orochi V2 Review: A Shockingly Light Gaming Mouse | Digital Trends