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 Lark 150 Firmware Upgrade Tutorial How to connect the Lark150 to the smartphone and audio devices? How to Pair the Transmitter and Receiver? Can LARK150 be connected to the computer for live broadcast? Record and Monitoring Comments 0 comments Article is closed for comments.