EMEET HS80 is a Lightweight ergonomic wireless on-ear headset with super ENC and noise reduction technology that provides ultimate sound quality. The 270 rotatable boom arm supports bilateral wearing. Bluetooth 5.2 and ultra-long battery life of 50 hours give a boundless communication experience. Comfortable Wearing: HS80 weighs 175g and is equipped with ergonomic earcups made by memory foam and artificial protein, providing more-than-good-enough comfort, cotton-soft touch, and the just-right pressure. Super ENC: Powered by EMEET proprietary algorithms, HS80 reduce noises with 3 mics on the device to keep your calling experience as quiet as possible. 270 Mic Rotation: The talk boom can rotate 270 to either side, friendly to both left-hand and right-hand users. Depending on the direction the mic boom is poking, left and right sound channels also switch accordingly. Multiple Connections. You can connect it to your device via a USB cable, Bluetooth 5.2, or 2.4G USB wireless adapter. Whether it is a wired or wireless connection, it can provide extremely high reliability and excellent call quality. Long-last Battery With a single charge on HS80, talking time is 46 hours, music playback is 70 hours, and standby time is 300 hours. It also features fast charge, charging for 15 min will give you 5 hours of talking time.