1.Automatic noise reduction function: The earphone has a built-in ENC environmental call noise reduction function, which automatically reduces environmental noise and brings you a brand- high-definition call experience. Equipped with volume optimization and dual microphone noise cancellation system to ensure clear call quality. 2.Smart LED Digital Display: This headset is equipped with a smart LED digital display, which conveniently and quickly checks the battery level of the charging compartment. With the use of a large-capacity charging bin, the headset can be used for up to 72 hours. The headset uses a type-c charging port, which is more convenient to charge, and it can be fully charged in only 1.5 hours. 3.Bluetooth 5.3: The Bluetooth 5.3 chip provides instant pairing and uninterrupted stable transmission. Support enhanced speech intelligibility technology. It is more stable and has low power consumption, ensuring smooth calls. 4.Hands- for Calling: The bluetooth headset is designed with a lightweight hanging ear, which is comfortable and durable. Support voice wake-up Siri, you can call without holding the phone. Use multi-function buttons to avoid accidental touches. The headset can be easily controlled on the headset, which is very convenient for people who often drive. 5.Ear Painless: Maximizing compactness of wireless headset based on ergonomics. Small and light even unobtrusive but still stable, and provide a more comfortable wearing experience. 6.Wide Compatibility: Support dual connection. The earphone is compatible with ios Android cellphone/ computer/ pc as well as any bluetooth supported device.