32-bit Float* & 28h Storage* - 32-bit float internal recording* helps prevent clipping for easy post-edit recovery. Enjoy up to 28h of 24-bit storage* for reliable, pro-level audio capture. 4TX + 1RX Cross-Gen Connectivity* - Connect up to 4 transmitters to 1 receiver*. Mix Mic Mini 2S with Mini/Mini 2 for a versatile setup*. Mini 2S transmitters also connect to the Mobile Receiver*. 2-Level AI Noise Canceling* & 3 Tone Presets* - DJI's proprietary AI model precisely isolates vocals from ambient noise. Choose from 3 voice tone presets* to better match your unique vocal style. Compact & Versatile Design - At just about 12 g*, clip or magnet-mount this lavalier mic for vlogs, interviews, or streams. The case stores 2 TX, 1 Standard RX, 1 Mobile RX, and accessories*. Wide Compatibility* & OsmoAudio Connection* - Works with cameras, smartphones, and PCs*. Connect up to 2 transmitters directly to select Osmo devices* for native 48kHz/24-bit high-quality audio. Long Battery Life & Fast Charging* - A full charging case delivers up to 40 hours of use*. A 5-minute charge provides up to 1 hour of operating time* for both the transmitter and receiver. Includes 1 transmitter and more. Weighs only about 12 g* and connects directly to DJI ecosystem products*. Pair with existing devices to upgrade your setup, or use as a reliable backup. "DJI Ecosystem Direct Connection - With DJI OsmoAudio, a transmitter can connect to Osmo Pocket 3、Osmo Pocket 4、Osmo Pocket 4P、Osmo Action 4、Osmo Action 5 Pro、Osmo Action 6、Osmo 360、Osmo 360 Ⅱ、Osmo Nano、Osmo Mobile 7、Osmo Mobile 7P、Osmo Mobile 8、Osmo Mobile 8P without a receiver, delivering premium audio."