Zoom H3-VR 360 Audio Recorder, Records Ambisonics, Binaural, and Stereo, Battery Powered, Records to SD Card, Wireless Control, for VR & Surround Sound Video, Music, and Streaming - 4-channel Recorder with 4 Built-In Mics in an Ambisonics Arrangement - 3 Recording Modes: Ambisonics, Stereo Binaural or Standard Stereo - Onboard Ambisonics A-to-B Encoding and Decoding - Auto Mic Position Detection Using a 6-axis Motion Sensor - Onboard Ambisonics Playback with Audio Rotation