2000 mAh high-performance lithium battery with <br><br>unique power-saving technology to meet the needs of uninterrupted use of the whole shift <br><br>2-5 days standby time <br>1-3 days use time
2000 mAh high-performance lithium battery<br><br>Unique power-saving technology to meet the needs of the continuous use of the class<br><br>2-5 days standby time<br>1-3 days to use
2000 Ma high performance lithium battery<br>Special power saving technology meets the needs of the whole class<br>2-5 days standby time<br>1-3 days of use<br>