Brand: Cearvol Headphone Type: Fully Wireless Impedance: 32 ohms Noise Control: Active Noise Cancellation 【Dramatically Improves Hearing】Amplifies sound up to 30dB, supporting the transition from "hearing" to "clearly hearing." This allows for a clear understanding of content. With 16-channel support, the sound quality is exceptionally clear. Each channel handles a specific sound range, achieving a natural sound transition. This ensures clear conversations and crisp sound even in complex environments. 【Effectively Prevents Beeping Sounds】Three sizes of ear tips are provided, allowing you to choose the size that fits your ears comfortably, preventing them from falling out or leaking sound. Furthermore, the close-fitting ear tips firmly suppress sound leakage. In addition, an advanced algorithm suppresses unwanted sound reflections, achieving clear hearing. The combination of ear tips and the algorithm provides double protection against beeping sounds! 【One Device for Music, Calls, and Video Viewing】Equipped with Bluetooth 5.3, it easily connects to iOS and Android devices. You can comfortably enjoy music playback, calls, and video viewing with this single device. Furthermore, it can be linked with smartphones, laptops, tablets, and BT TVs, allowing simultaneous connection of two devices. With a single tap, you can switch instantly, making your busy days even more convenient! 【Achieve Sound Tailored to You】Fine sound quality adjustments are possible with the dedicated app. Equipped with four scene modes, you can switch to the optimal sound quality according to the environment, suppressing ambient noise while emphasizing human voices for clearer hearing. In addition, the equalizer allows you to freely customize the balance of high and low frequencies, highlighting sounds from specific directions, allowing you to clearly catch only the necessary sounds. 【Easy Operation & Latest Technology for Perfect Hearing】10-level volume adjustment allows for fine-tuning. The dedicated app is intuitive to operate, and settings are completed smoothly. Anyone can easily use it. Furthermore, equipped with the latest OTA technology, updating to the latest software from the app is easy. 【Long-Lasting Battery for Peace of Mind】Supports fast charging, with 3 hours of use from a 10-minute charge. Up to 12 hours of continuous use on a single charge, and up to 36 hours when combined with the charging case.