This is a preowned GN Netcom Duo Binaural Noise Wired Headset & Mouthpiece. It has two earpieces like a headband. The 2 soft earpads either need to be glued or can be used without them. Headphones work as intended.

Wire has label marked 01-0245. here's the info online for that model number:

Jabra GN 2115 SoundTube binaural headset [01-0245]

Jabra/GN 2115 SoundTube headsets is sleek and lightweight, this Jabra/GN 2100 SoundTube model uses Acoustic Transmission Line (ATL) technology—the first significant advancement in voice tube technology and design. GN Netcom’s ATL technology eliminates sound reverberations and distortions usually associated with plastic voice tubes. It's lightweight, very durable, and extremely comfortable, even if worn all day long. A click-stop headband provides a customized fit and pillow-soft ear cushions rest gently over the ear. This model is a binaural headset (you hear through two ears), and the 2110 is monaural (one ear). The binaural design improves audibility of weak voices and blocks out distracting ambient sounds and nearby voices. Retail Price $113.00

Key features:

ATL technology eliminates sound reverberations

Convenient swing-away boom

Omni directional microphone

Full-size leatherette ear cushion (*** one is included, the other is missing)