While watching a video about old radios from the 1920s, a phone jack popped up. The host mentioned that phone jacks are super old and he wondered what was their origin. I always assumed they had ...

While 2.5mm was the original standard for phone headsets, the slightly larger 3.5mm size is standard for music headphones and is now the more common size on phones. See: Headphone Jack (3.5mm ...

If you’re one of the more than 50 percent of homeowners who have opted out of landline service, chances are you still have at least one ugly wall-mounted phone jack. I usually remove and patch ...

a 3.5mm headphone jack for traditional wired audio, and a USB Type-C port for charging and data transfer. HMD has also equipped this flip phone with a removable 1450mAh battery. That's not huge ...

2.5mm jack curly clable with Plx QD "Works with Ciso SPA Series and other Cordless phones with 2,5mm Standard Headset Port.(3 poles with 2 black bands), No Smart phone use. Works with Grandstream ...

The vent was out, replaced with a carefully modified headphone jack. The next step was convincing the phone to play analog signals. For this, [Scotty] used parts from Apple’s own headphone adapter.

Apple just unveiled its new iPhone 7, which doesn't have a headphones jack. There will be a Lightning-to-3.5mm adapter or "dongle," which lets you use a traditional wired pair. Video courtesy of ...

The images show a phone that looks very similar to last year’s flagship, complete with a headphone jack. Sony phones haven’t enjoyed much market share in the last few years, but devices like ...