This bluetooth wireless headset adopts advanced ENC technology (Environmental Noise Cancellation). By calculating the frequency band of environmental noise in advance, it can prevent the listener from hearing your background noise, which is perfect for remote work. With the mute function, you can click the mute button to toggle on and off the microphone during the call.The new generation of V5.3 provides 33 feet / 10 meters of ultra-long distance transmission, free from the limitations of space, more stable signal and faster transmission. The headset is removed from the charging case and automatically turns on instantly with Bluetooth back connection. Bluetooth headset supports pairing with 2 Bluetooth devices, such as iOS or Android phones, tablets and laptops at the same time, so you can enjoy the freedom of wireless!When someone calls you, you don't need to look at your phone, this headset can broadcast the phone number of the caller directly.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. mini headset can be easily controlled on theBuilt-in 400mAh charging case,the wireless earpiece with LED display make it obvious to show the battery power of the case.It can not only protect the wireless earphone from damage,but also provide 4 charging times for the wireless earpiece,which is easy to carry and charge your earphone at any time.Single 1.5Hrs charging time can be used 12-15 hours of playtime meet your needs.