Light and compact audio recorder 32-Bit Float recording for full dynamic range and clip free recording No gain adjustment necessary Records 44.1kHz/32-bit float or 48kHz/32-bit float audio files Rec Hold function to avoid accidental operation of buttons 1/8" Mic In mini phone jack with Plug-in power (2.5V) Stereo ⅛" Phone/Line Output jack with dedicated volume control 80 Hz low cut filter High precision internal clock to avoid audio and video syncing issues Wireless timecode synchronization (F2-BT model only)* Records directly to micro SD, SDHC, and SDXC cards up to 512 GB USB-C for connection to F2 Editor for settings Built-in Bluetooth for connection to the F2 Control app for settings adjustment and remote transport control (F2-BT model only) Runs on only 2 standard AAA alkaline, Lithium, or NiMH rechargeable batteries, or AC adapter (AD-17) Up to 15 hours of operation (14 hours on the F2-BT) with two AAA alkaline batteries