[VOICEIA Technology] It has 6 microphones where the speaker's voice is clearly captured by two traffic stick microphones. The 2 bottom mics capture the ambient sound and the 2 middle mics capture the internal noise.With the help of VoiceIA technology, the bluetooth headphone improves the clarity of your voice and is used by most truck drivers, receptionists for online office and home meetings, call centers and also at construction sites as well. [3 Sound Modes with ANC Technology] The headset has 3 modes which helps to customize the hearing for different situations. It also has the mute button which helps to mute the voice. Active Noise Reduction emits reverse sound waves to cancel noise. The ANC mode helps to create a professional ambience which is suitable for speaking to people without any external interference and also to hear the surrouding voice without taking off the headphone. [ENC Tech with Noise Reduction] The Bluetooth headset adopts circumoral design. The ENC passive noise isolation cab be combined with active noise cancellation which helps you enjoy crystal sound quality even in noisy environment. [Longer Life and Talking Time] The mic is placed at a safe distance from the mouth which helps to avoid damage through saliva and makes it 10 times long lasting than other headsets. The headset supports 48 hours of talk time, 50 hours of music time and 120 hours of standby time on a single charge. It also can support 6 hours of calls post 15 minutes of charging which is highly efficient. It also comes with a plug in USB cable which can be used to charge as well. [Multiple Connection Modes] Both wired and wireless connections are available for over-ear Bluetooth headphones. Direct connections to a headset with a microphone for a computer are possible using dual 5.0 Bluetooth, a dongle, and a USB cable. Additionally, a computer headset functions with or without Bluetooth on laptops, PCs, desktops, tablets, or mobile phones. The wireless headphones work with popular communication platforms like Google Hangouts, Microsoft Teams, Zoom and Skype for Business.