CLEAR CHAT: Mpow BLUETOOTH HEADSETS equipped with noise-canceling microphone and wideband audio, which makes voices sound clearer and more natural. ALL DAY COMFORT: The BLUETOOTH HEADPHONES weight only 0. 11lb. With over-the-head wearing style and breathable protein earmuffs, our OFFICE HEADSET allows you to wear for hours without getting a headache LONG BATTERY LIFE: Our TRUCK DRIVERS BLUETOOTH HEADSET offers up to 13 hours of battery life on a single charge helps you stay connected. EASY TO CONTROL: One-touch call answer/end and pause music. Double-click the MFB to mute. Long press the MFB to reject answer. The BLUETOOTH TRUCKER HEADSET built-in low battery reminder prevent missing any calls. FRIENDLY : Mpow offers 45 days money back & 24-month worry-free . Note: Please adjust your phone's volume when you still can't hear clearly even you've reached the highest volume on our CELL PHONE HEADSET.