How to Change the Battery in Your Jabra Pro 9400 Series Wireless Headset | Avcomm Solutions
Jabra Evolve 75 Battery Replacement - YouTube
Amazon.com: 320mAh Battery Replacement for Jabra Pro 9470, Pro 9465, Pro 9460, Pro 9450, Pro 9400 Wireless Headset and More, Battery Capacity Upgraded from 230mAh to 320mAh, Plug and Play : Electronics