It was stored in the warehouse. It's almost new, but the operation has not been confirmed. It is a wired headset with a microphone. You can use it for various purposes such as telework on PC, online classes, and games. It is lightweight and has a simple design, so it is comfortable even for long hours of use. [Color] Black系 (Black-based) Thank you. No drivers are required. Just plug the headset directly into a 3.5mm compatible device. Headphones with a dual-ear design suitable for Skype, computers, laptops, PCs, Macs, and Lync. 3.5mm dual-ear (in-ear) headphones with a microphone are ideal for users who need to concentrate during calls. Covering both ears also helps to block out surrounding noise. Frequency response range: 20-20,000Hz. Plug diameter: 3.5mm. Speaker diameter: 40mm. #WiredHeadset #HeadsetWithMicrophone #PCHeadset #Telework #OnlineClass #GamingHeadset #3.5mmJack #DualEarHeadset #LightweightHeadset #Black #NewUnused #Skype #OnlineMeeting #WorkFromHome #WebConference #CompatibleWithLaptops #CompatibleWithMac #PCPeripherals #HeadphoneMicrophone #InEarHeadphones #40mmSpeaker #NoiseCancellation #LongTimeUse #SimpleDesign #PlugAndPlay #NoDriverRequired #LyncCompatible #VideoCall #RemoteWork #OnlineGame #eSports