Logitech H390 USB Wired Headset…

The Jabra LINK 14201-30 is an electronic hook switch (EHS) adapter that enables remote call control. Compatible with Jabra wireless headsets and a wide range of USB desk phones. Operating range up to 450 feet from your desk. Supports ring tone in headset, answer and end calls, volume adjustment, and microphone mute.
The Jabra LINK 14201-30 EHS adapter provides electronic hook switch control for Jabra wireless headsets in combination with USB desk phones. This original manufacturer accessory is compatible with models including 9120 DHSG, GN 93XX, PRO 94XX, PRO 920, and GO 6470. The adapter features two RJ-9 connectors with a cable length of 0.9 meters. With Bluetooth support, users can manage their calls from up to 450 feet away. Functionality includes hearing ring tones in the headset, answering and ending calls, volume adjustment, and microphone mute. Firmware is upgradeable for future compatibility.