Designed for on-the-go use. A fully charged charging case provides approximately 1.3 full charges for a transmitter and allows for up to 24 hours of extended operating time. It can hold the mobile receiver, the transmitter, the magnetic front cover, and the windscreen, ensuring efficient storage and mobility. 1. Measured with DJI Mic Mini 2 (1 transmitter + 1 mobile receiver + charging case) in conjunction with a fully charged charging case, with noise cancellation turned off, during an audio recording in close range under open, interference-free, and unobstructed conditions, with the transmitter connected to the receiver and the receiver connected to a smartphone. 2. The charging case can store the transmitter with the installed magnetic front cover as well as with the attached magnet or magnet clip. You can store the magnet or magnet clip in the lid of the charging case. To protect the product, do not stack items on top of each other in the charging case.