✅【Only 1 left】First come, first served!! ✅Brand new, unused item!! 【Equipped with DSP Amplifier - Well-Balanced 3D Sound】By incorporating a 20kHz/24bit DSP amplifier, we pursue high-quality sound even wirelessly. This creates an overwhelming audio experience, as if you were listening in a live venue. You can enjoy immersive Hi-Fi sound without feeling muffled. 【AELC Algorithm - Dramatically Improved Sound Quality】These wireless earphones are equipped with MalleusTek's AELC algorithm, which automatically corrects the output audio from low to high frequencies. This allows the subtle nuances of music and the tones of instruments to be conveyed more clearly, providing an immersive music experience. While maintaining the delicacy of the sound, it automatically adjusts to make it easier to listen to, even when the bass is lacking or the treble is harsh. ※AELC: Adaptive Equal Loudness Compensation 【14.2mm Large Driver - AAC Codec Compatible】Adopting a 14.2mm large driver, it vividly reproduces deep, powerful bass and dynamic sound that surpasses conventional open-ear headphones. Compatible with the latest open-ear earphones with AAC codec, the audio synchronization with the earphones is smooth, minimizing audio and video delay. 【RCV Noise Reduction - Physical Buttons】Equipped with RCV noise reduction, which automatically removes ambient noise and wind noise during calls when using Bluetooth earphones. Reduces noise by up to 45dB. Built-in high-quality microphone delivers clear audio to the other party during calls. Physical buttons support answering, rejecting, and disconnecting calls, providing comfortable hands-free calls without accidental operations. ※RCV: Real Clear Voice 【Multi-point Support - Bluetooth 5.4 Instant Connection】Improved issues such as sound skipping, interruptions, and delays. Supports multi-point connection, allowing simultaneous connection to up to two devices, and smooth switching of connections. Adopting industry-leading Bluetooth 5.4, which offers three times the data transfer speed and four times the communication range compared to conventional Bluetooth headphones. Low latency and instant connection, can be used with confidence within a 10-meter range.