Dual Noise Canceling Microphone: Mpow HC3 wireless Bluetooth headset features dual noise-canceling microphone, improve talk and listen to clarity, eliminate background noise effectivelyAdvanced Bluetooth V5.0 Design: With Bluetooth 5.0 technology, this headset ensures more stable pairing and faster connection with your cell phone, iPad,pc, etc. Support connect two devices simultaneously, up to 33 feet connection rangeLong Battery Life and Wired Option: This truck driver headphones support up to 13 hours talking and 200 hours standby which can meet all day call needs; No worry about battery life; Our office headset can also be connected by 3.5mm audio cable when the battery run outComfort Wearing: With single on-ear design and soft memory foam earpad, wearing this headset for several hours when calling or listening without feeling any burden; The over the head Bluetooth headset can be worn over the right or left ear according to your preferences; Adjust the headband to your best fits according to your needsMute Function: Simultaneously press "+" and "-" to mute mic and double press again to unmute mic; Notice: Mute function only supports on cell phones at present