[ NOISE CANCELLATION ]: Link Dream trucker Bluetooth Headset equipt with advanced Qualcomm DSP chip which actively reduce most background noise, CVC 8.0 noise canncelling technology reduces statics noise and offers a clear sound when talking. NOTE: NOT ACTIVE NOISE CANCELLING!,[ SMART MUTE MICROPHONE ]: Smart mute microphone allows you simply rotate the microphone up to mute, rotate down to unmute. More convenient than mute button.,[ LONG LAST BATTERY ]: This wireless headset is equipped with a 250mAh battery, which last up to 20 hours talking time and 10 months standby time, only need 2 hours for fully charged.,[ STABLE CONNECTION ]: Link Dream BH60 Bluetooth headset uses Qualcomm chip, which has a better connection stability, compatibility and transmission distance than other chips. Compatible with computer, laptop, cellphone, tablet for online meeting, office home, call center, driving.,[ COMFORTABLE WEARING ]: The soft earpads design makes no compression on ears and head, you will not feel discomfort even worn for a long time.