bluetooth headset 5.0, pro 24 hrs talktime noise cancelling wireless headset with mute button for cell phones business office trucker-m91 conambo bluetooth headset 5.0, pro 24 hrs talktime noise cancelling wireless headset with mute button for cell phones business office trucker-m91<br> bluetooth headset with microphone,willful m91 wireless headset with noise cancelling sound,comfortable extra cushion, strong bt signal,mute button,cell phone headset for office trucker drivers<br> premium wireless bluetooth headset - professional truckers' noise cancellation head set with microphone - clear sound, long battery life, no wires - 34 hour talk time - black<br> pro bluetooth headset for clear chat: the boom microphone enabled the newest noise cancelling tech,can pick up your voice exactly and block the noise from the surround.m91can ensure crystal-clear conversations even in noisy environment.<br> wireless headset with mute button:there is a mute button on the microphone,just one press the key to stop all the voice when necessary.<br> lightweight & comfortable headset:skin-friendly soft earpad and flexible headband,can ensure you focus on your talk with comfortable wearing experience.<br> compatibility & dual device connection:m91 phone headset can pair with any bluetooth-enabled device,and can connect with 2 devices at one time.the headset can support music enjoying and voice control.<br> long-lasting battery & compatibility:offer up to 17 hours continuous talking time and 200 hours standby time with single fully charged in just 2 hours.<br>