Yealink Headset Firmware Update, WH62 and BH72 - YouTube
Update Firmware HK Onyx 4 : r/JBL
Amazon.com: BlueParrott M300-XT Noise Cancelling Hands-free Mono Bluetooth Headset for Mobile Phones with up to 14 Hours of Talk Time for On-The-Go Mobile Professionals & Drivers : Cell Phones & Accessories
EPOC X - Updating firmware
How to Update Your Headset Firmware Through Microsoft Windows - YouTube