This is a noise-reduction microphone-equipped earphone from ELECOM. ■Management Number: 196-4 ■Model Number: HS-EP10UNCBK ■Color: Black ■Connection Method: Wired (USB-A connector) ■Microphone: Noise reduction compatible (reduces noise by up to approximately 35dB) ■Functions: Microphone ON/OFF, volume control ■Uses: Online meetings, telework, calls, PC work, etc. This item is in near-new condition. Accessories (ear tips and ear hooks) are also included. The item has been opened to check the contents. Designed to suppress ambient noise and deliver your voice clearly to the other party, this model is recommended for working from home and web conferences. *Earphones only have been tested for functionality. *Due to being stored at home, the outer box may have some scratches or damage. The item will be shipped without the box. Please purchase only if you understand and agree to these conditions.