We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. [2024 industry original design/integrated dual-use microphone detachable open earphone] MicCuff is the third generation open earphone with detachable microphone developed and originally designed by Earaku in 2024 and obtained a utility model. This bluetooth headset has evolved from a neckband type to the first completely wireless earphone in the series to further reduce the burden on the user. It can be used with either one ear or both ears, and has a more casual and stylish design. Especially suitable for business situations where there are many online meetings. [ENC Noise Cancellation for Clear Calls & Mute Function] MicCuff earphones with microphone adopt ENC noise reduction algorithm function to ensure call quality. The built-in dual microphones suppress environmental sounds such as keyboard sounds and air conditioning during meetings, allowing only your voice to be heard clearly. By using a detachable microphone, you can transmit even clearer voice to the other party. Additionally, the mute function minimizes sound leakage and surrounding environmental sounds to protect your privacy. Please note: Not compatible with TEAMS. If it sounds muffled, you can improve it by removing the independent microphone in a quiet environment. In noisy environments, dual microphones provide better noise canceling effect. [Cutting-edge technology Bluetooth 5.4 & up to 15 hours of continuous playback] MicCuff supports industry-leading Bluetooth 5.4 and AAC/SBC codecs, allowing you to enjoy high-quality sound on various devices such as iPhone and Android. You can connect instantly with low latency, and you can use it with confidence within a range of 10 meters. Equipped with a fast charging function using Type-C charging, it can be fully charged in 1.5 hours. When fully charged, it can play continuously for up to 15 hours, allowing you to use it all day long. Note: To adjust the volume, please turn on [Volume Sync] or set the volume of your smartphone and earphones to maximum. [Design that does not block your ears & comes with a single physical button] MicCuff features a design that clips into your ears without blocking them. This has the advantage of being easy to use, allowing you to hear surrounding sounds, and reducing the strain on your ears even when used for long periods of time. The earphones themselves have a single operation button that allows you to perform...