Simple and large buttons make this Trucker Bluetooth headset super easy to operate, so you don’t need to think twice before clicking the right button. And the headset is equipped with a large 350mAh battery, which is specially designed for people who need to travel long distances. It can be fully charged in 2-3 hours and stay in Standby state for 90 days, supporting up to 65 hours (2.7 days) of work/music time and 55 hours (2.3 days) of talk time. Provides plenty of power to stay connected during long-distance work, music time to relieve fatigue, and soft ear earmuff for all-day comfort.