【Air Conduction Technology That Doesn't Block Your Ears & ENC Noise Cancellation for Calls】 Earaku earphones employ 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 and air conditioning noise during meetings. 【Excellent Fit & Ultra-Lightweight 32g & 270° Adjustable Mic Boom】 Earaku open-ear earphones weigh only 32g, ensuring comfort even during extended wear. The high-quality, soft silicone material provides a snug fit without discomfort, even after prolonged use. The 9cm microphone boom rotates 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 within a communication range of up to 10 meters. It improves common issues with previous Bluetooth headsets, such as unstable connections, rapid battery drain, and audio dropouts. The earhook headset is IPX5 waterproof, reliably protecting the earphones from particles and dirt, allowing for extended use with peace of mind. 【10 Hours of Continuous Playback & Wide Range of Applications】 The wireless headset incorporates a high-performance lithium battery, providing up to 10 hours of continuous use with a 2-hour charge. Earaku Bluetooth Headset, Call-Specific Earphones, Binaural, Earhook, with Microphone, Bluetooth 5.3, ENC Noise Cancellation Technology, Open-Ear, Best Business Earphones, Clear Call Experience, Lightweight 32g, Comfortable Fit, 10 Hours Continuous Playback, Suitable for Calls/Remote Work/Commuting/Driving/Telework/Online Meetings, Compatible with iOS/Android/PC/Windows (Black) 2