BOYAMIC boasts a remarkable onboard recording available for storing your recording files in real time. 8GB memory - store up to 15 hours of recording, Transmitter’ USB-C port - connect to a laptop or smartphone to read recording files The BOYAMIC is equipped with a low-cut filter, the wireless microphone can eliminate unwanted low-frequency noise (75Hz/150Hz or lower) in your recording. Selectable Mono/ Stereo/ Safety Track output setting, High-resolution OLED display - see vital information at a glance Up to 300 meters of wireless transmission, separate noise cancellation control - 48kHz/ 24bit HD audio format retained. Wide-range 20-20000Hz frequency response - delivers exceptional high-quality sound, Receiver’s 3.5mm headphone output - monitor your audio in real-time or playback audio It is possible to use BOYAMIC in many ways. You can use the transmitter with the 3.5mm external microphone, your line input devices, or its built-in microphone as your needs. A 3.5mm TRS output, USB-C, and iOS Lightning adapters allow the receiver to connect with cameras, mixers, smartphones, tablets, laptops, and more. Charging case included - make the kit easy to carry on, transmitter up to 10 hours of operating time (about 6 hours when the onboard recording is enabled), transmitter and receiver charging time is 1.5 hours, charging case charging time is 2.5 hours, charging case support charging (2*TX+1*RX) 1.2 times