To fully activate the battery, charge the first three times for 6-8 hours. After each charge 2-3 hours can be. When charging, it is generally a red light, the headset is full of blue lights or green lights, and some of the lights are long after being fully charged. In order to achieve the longest battery life, it is necessary to master the correct method of charging the Bluetooth headset, that is, only charge when the battery is low. The average battery charge is about 500 times. That is, the normal service life is about 2 years. Fully charged normal standby time 2-4 days, when there is a phone normal use is 1-3 days, the phone will be relatively shorter.