【Air Conduction Technology That Doesn't Block Your Ears & ENC Noise Cancellation for Calls】 Earaku earphones utilize air conduction technology, allowing you to hear ambient sounds naturally without blocking your ears. This provides both peace of mind and comfort, enhancing freedom during calls. The ENC noise reduction function suppresses environmental noise, delivering clear voice transmission. This headset is ideal for various situations, such as telework, online classes, warehouse work, and driving, as it reduces keyboard sounds and air conditioning noise during meetings. 【Excellent Fit & Ultra-Lightweight 32g & 270° Adjustable Mic Boom】 Earaku open-ear earphones are designed to be lightweight at only 32g, ensuring comfort even during extended wear. The use of high-quality, soft silicone material ensures a snug fit without discomfort, even after prolonged use. The 9cm long microphone boom can rotate 270°, allowing you to position it near your mouth during calls or behind your ear when listening to music, adapting to your needs. 【Latest Bluetooth 5.3+EDR Technology & IPX5 Waterproof】 The open-ear Bluetooth headset features the latest Bluetooth 5.3+EDR technology, enabling free movement with a communication range of up to 10 meters. It improves common issues with previous Bluetooth headsets, such as unstable connections, power disconnections, rapid battery drain, and audio dropouts. The earhook headset is IPX5 waterproof, reliably protecting the wireless earphones from particles and dirt, allowing for extended use with peace of mind. Enjoy high-quality calls without worrying about splashes or minor spills. 【10 Hours of Continuous Playback & Wide Range of Applications】 Equipped with a high-performance lithium battery, it provides up to 10 hours of continuous use with a 2-hour charge. The headset features a 180mAh lithium polymer battery, supporting calls and music playback on the go or for extended periods. 【Multi-Function Physical Buttons & Reliable Manufacturer Warranty】 The earphones with a microphone feature physical buttons for intuitive operation. Easily control "answer/end calls," "volume adjustment," "skip/rewind tracks," "Siri," and "mute" with a single button. Enjoy music safely while hearing ambient sounds during your commute to work or school. 【Included Accessories】 Headset body, charging cable, instruction manual.