I purchased this on Amazon but accidentally bought two, so I'm selling one. It's a new, unused item, but it will be shipped without the original packaging. Please feel free to ask if you have any questions. Business Earphones ENC Noise Canceling Technology 35g Ultra-Lightweight Ultimate Fit Up to 20 Hours of Continuous Playback Open Ear Automatic Pairing Clear Call Experience Hands-Free Calling/Telework/Web Conference/Zoom Open Ear Earphones keypal [ENC Noise Canceling Microphone Equipped] These earphones with a microphone are equipped with ENC noise canceling technology, suppressing noise during calls and surrounding noise, making it easier to hear the other party's voice and providing comfortable calls. [Microphone Angle Adjustable] The Bluetooth headset uses a unidirectional microphone, which can reliably pick up only your voice, allowing multiple-person conferences and business chats to proceed smoothly. It uses a 13cm long microphone that easily reaches your mouth, and the microphone boom can rotate 270° up and down, allowing you to adjust it to your preferred angle and bring only your voice clearly to the other party. When not in use, it can be folded back and won't get in the way. [Up to 20 Hours of Continuous Playback] By incorporating innovative power-saving technology and a high-performance battery, it can play continuously for up to 20 hours on a full charge. You can listen to long calls, music playback, commuting to school, online meetings, telework, web conferences, working from home, audiobooks, podcasts, etc., without worrying about the battery level. [High Sound Quality] Equipped with a 14mm extra-large driver and directional acoustic technology, it maintains the resolution of music even with an open-ear design. The rich bass and clear treble are exquisitely balanced, providing a powerful audio performance. [35g Ultra-Lightweight] The ultra-lightweight design provides an ultimate fit, making you forget you're even wearing the earphones.