Bluetooth Trucker Headset,TURN RAISE Bluetooth headset with microphone,Hand Free Wireless Headphone for IOS & Android Cell Phones,Call Center,Skype High quality sound: Superior noise cancellation technology (crystal clear conversation);If the voice gets muffled, Please check whether there is other disturbance or other electrical devices between headset and mobile Comfortable & Convenient: Over the head wireless bluetooth headset with Boom Mic Flexible design: The headband of this trucker bluetooth headset is adjustable for left or right according to your preference Playing time: This over-the-head bluetooth wireless headset usually allows up to 8 hours continuous talking time and 250 hours standby time with a single charge Please note: The bluetooth headset cannot be used to listen to music