Convert two 3.5mm plugs to single 4P4C RJ9/RJ10 Cisco headset plug Works great with Cisco VOIP office phones with a RJ9 headset jack Save money by buying PC headsets to use with your office...

Record line-level audio from your mixer or soundboard on your iPhone, smartphone. Allows your external audio output to replace your smartphone's mic. Includes attenuator that allows for line-level...

Convert 3.5mm smartphone plug to single 4P4C RJ9/RJ10 Cisco handset jack Works great with Cisco VOIP office phones with a RJ9 headset jack Save money by buying Smartphone headsets to use with...

Dual control with 2 mute buttons Dual volume controls Listen-in only or train/take over call Works with wired or wireless headsets or a mix Use with Headset Buddy, Agent, Plantronics, Jabra, GN...

  Turn your Bose Quiet Comfort 35 wireless headphones (QC35) into the ultimate wired headset Uses the latest noise cancelling technology. Even when the power is turned off on the QC35 the...

100% MFi-certified. The only one the market that is not made by Apple. Compatible with iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X and devices running iOS 10.3 and above...

  Turn your Bose QuietComfort 25 (QC25) headphones into the ultimate headset Uses the latest noise canceling technology so the person on the other end will think you're in a quiet...

Use a higher quality headset with your iPhone or smartphone Convert two 3.5mm (1/8 inch) plugs to single Smartphone 3.5mm plug (TRRS) Works with 3.5mm jack on Apple, Android, Blackberry, Windows,...