How long does the Lark 150 can be used? Hollyland Tech July 02, 2021 05:52 Updated Use time: TX: 4h RX: 7h Charging Box: Can fully charge the device 2.5 times Note : The battery life is related to the ambient temperature, and the battery life will vary with different temperatures Charging time: It takes about 5 hrs to fully charge the charging case, TX, and RX. Note: Charging speed is related to ambient temperature and charger power Related articles How to upgrade Lark 150 Firmware? The Box can't charge the RX/TX? How to connect the Lark150 to the smartphone and audio devices? How to set camera or phone if there is great noise Firmware Comments 0 comments Article is closed for comments.