2K ultra-high definition dual loop recording with top-notch effects Supports up to 6 people Bluetooth intercom function, making cycling no longer boring 360° noise reduction function for clear calls Two types of microphone interfaces, suitable for multiple needs Automatically start recording upon startup, ultra clear night vision Camera 15° angle fine adjustment SC500AI sensor equipped with high-resolution all glass wide-angle lens, recording without dead angles New H.265 compression format Support WDR wide dynamic recording Support WIFI APP wireless control Specifications: Mode S40 DSP NTK96670 Image Sensor For sony IMX335 Video Resolution 2K（2560*1440/30fps） loop-record 1min/3min/5min Intercom 6 persons on line at the most Bluetooth? Support Audio YES Video File Format TS Storage compression mode H.265 Camera angle 170° Battery Built-in, Li-ion, 2350mAh MIC MIC-2X4MM, 42+-3dB Speaker 8ohm, 0.5W Extended Memory MAX 256G, TF card, U1 Photograph YES Image File Format JPG White Balance Automatic Exposure Automatic <td style="width: 38.7312%; hei