※ This product is new and unused, but has been opened for inspection. Basic functionality has not been confirmed. Please contact us before leaving a review if you have any issues. [Industry First | Patented Detachable Mic and Open-Ear Design] This is the industry's first Bluetooth headset with a patented design that combines a unique detachable microphone and an open-ear design that doesn't block your ears. It achieves comfort and functionality that are a cut above the rest, from online meetings to everyday use. The sophisticated design matches the style of business elites. [High-Quality Calls | ENC Noise Canceling & Mute Function] ENC (Environmental Noise Cancellation) effectively suppresses ambient noise, maintaining clear calls. Mute can be toggled instantly with a single tap. It allows for smooth responses during meetings or sudden situations, balancing privacy and convenience. [Stable Communication & High-Performance Mic | Bluetooth 5.4 EDR & Omnidirectional Sound Pickup] The latest Bluetooth 5.4 EDR provides fast, stable connections and a long communication range. Its reliable connectivity is ideal for business or driving. The omnidirectional microphone clearly captures sound from all directions, supporting professional communication. [Freely Adjustable | Detachable Mic & Single/Dual Ear Support] The microphone is easily detachable, allowing you to switch between calls and music listening. It supports both single-ear and dual-ear use. It flexibly adapts to various situations, such as business, driving, and working from home. It enhances the freedom and practicality of busy business people. [Lightweight & Comfortable | Open-Ear Design for Zero Burden Even During Long Use] The lightweight and open-ear design that doesn't put pressure on the ears reduces fatigue even during long use. It features IPX waterproof function and Type-C charging, making it convenient for use on the go. It establishes a new generation of headset standards, supported in both business and daily life.