[Cutting-edge air conduction technology & ENC noise canceling] Earaku earphones use air conduction technology that allows you to naturally hear surrounding sounds without blocking your ears. It provides a sense of security and comfort while increasing the freedom of calls. The ENC noise reduction function suppresses environmental sounds and delivers human voices clearly. Call headsets reduce keyboard noise and air conditioning noise during meetings, making them useful in a variety of situations such as telework, online classes, warehouse work, and driving. [10 hours of continuous playback & compatible with a wide range of situations] The wireless earphones have built-in high-performance lithium and can be used continuously for up to 10 hours with 2 hours of charging. With a single full charge, you can use it on the go, make calls, and play music for long periods of time. The appeal of this device is that you can receive clear audio with reduced ambient noise while commuting to work or school, online meetings, telework, web conferences, working from home, playing games, exercising, or traveling. [Stable Connection with Bluetooth 5.2 & IPX5 Waterproof] The open ear Bluetooth earphones are equipped with the latest Bluetooth 5.2+EDR technology, which improves audio and video synchronization and provides a stable connection. With a wide range of interchangeability, it is compatible with Bluetooth-equipped devices such as Sony Xpeira/Apple IOS/Android/Windows/MacOS/HUAWEI/Nexus/Asus/Galaxy/Au flip phone/OPPO/docomo series. Free movement is possible with a communication range of up to 10 meters. The earphone microphone has IPX5 waterproof specifications, so it can be used in a wide range of situations, from business situations to daily use. [Comfortable to wear, ultra-lightweight 32g & 270° adjustable microphone boom] Earaku earphones that won't block your ears have a lightweight design of only 32g, so they won't reduce comfort even when worn for long periods of time. Made of high quality soft silicone material, it fits snugly without any discomfort even when used for a long time. The microphone boom is 9cm long and can rotate 270°. You can adjust it to your mouth when making a call or behind your ear when playing music, allowing you to use it according to your needs. The ``call quality'' of Microphone Boom is excellent, and even when talking in a noisy place, your voice can clearly be heard by the other party. It is also highly portable and convenient when you go out. [Multi-functional physical buttons & reliable manufacturer's warranty] Intuitive operation is possible with physical buttons. You can easily answer/end a call, adjust volume, forward/backward a song, activate Siri, mute and more with just one button. You can enjoy music safely while listening to surrounding sounds when commuting to work or school. [Accessories] Headset body, charging cable, instruction manual, warranty card. [Manufacturer's Warranty] If you have any questions or...