Purchased on Amazon this March and used only once for a company web conference, it has been stored in a company drawer since then. There are no defects, and there is no box. The item includes only the main unit and the included case. ✅ The AONIC 215, with its clear sound and rich low frequencies, features a single dynamic driver and delivers the best sound in an easy-to-use package, anytime, anywhere. Recommended for gaming. In FPS/TPS games, you can clearly hear the footsteps that are crucial for victory. ✅ Blocks up to 37dB of ambient noise. You can enjoy an immersive listening experience anywhere, such as for audio listening, exercise, or travel. ✅ The remote + microphone-equipped 3.5mm stereo mini-plug cable enables seamless control of calls and voice commands. It's also easy to control the volume and music playback. ✅ Compatible with both Apple and Android devices. You can switch instantly with the push of a button. ✅ The detachable MMCX 3.5mm stereo mini-plug cable allows the 215 high-isolation earphones to be attached to various cable accessories, including a Bluetooth-connected, fully wireless, secure-fit adapter. ✅ 【Available even on devices without a 3.5mm jack】 You can use the AONIC 215 with USB Type-C compatible PCs, smartphones, and tablets that do not have a 3.5mm jack by using a USB Type-C to 3.5mm adapter. *Adapter sold separately. ✅ Includes a carrying pouch and a fit kit with three sizes each of soft flex ear pads and foam ear pads. ✅ Model: Dynamic sealed type ✅ You can use the AONIC 215 with USB Type-C compatible smartphones and tablets by using a USB Type-C to 3.5mm adapter.