Specification:Item Type: Motorcycle Helmet Dash CamMaterial: ABSBattery: Built in 2350mAh Lithium ion Polymer BatteryCommunication Function: Supports up to 6 peopleCommunication Distance: Approx. 1000 meters / 3280.83ftDSP: NTK96670Image Sensor: IMX335Video Resolution(Maximum): 2K (2560x1440/30fps)Loop Recording: 1min, 3min, 5minPhone Function: Call Answering, Music Function, Music Sharing, FMRecording Function: SupportedVideo Format: TS formatStorage Compression Method: H.265Camera Angle: 170°Adjustable Camera Angle: 15°MIC: Support, MIC-2X4MM, 42+-3dBSpeaker: Support, 8ohm, 0.5WExpandable Memory: Maximum 256G U1 Memory card (not included)Photo Taking: SupportedImage Format: JPGWhite Balance Exposure ISO: AutomaticWIFI: SupportedAPP Name: For AnzoneNight Vision: HD Night VisionBluetooth Version: BT5.1Waterproof: IP66Noise Reduction: Equipped with Active Noise Cancellation (ANC) functionFM: Built in FM radioHow to Use:Refer to the product instruction manual for usage.packing list:1 x Recorder1 x Helmet Mount1 x Screwdriver1 x Microphone1 x Earphone1 x USB Cable2 x Speaker Pad4 x Speaker Hook And Loop Fastener Pad7 x Microphone Hook And Loop Fastener Pad1 x User Manual