Warm Tips:Our products have 3 options,X221 model for no front camera and rear camera;X252 model for front camera only,resolution is 4K;X250 model for front camera and rear camera,resolution:front 4K,rear,1080P.Please check if it is correct before purchasing.Please check if it is correct before purchasing.Please check if it is correct before purchasing. 10.26Wireless Bluetooth Transmitters CarPlay Android Auto 4K Bluetooth Transmitters Car Dvr Dash Cam for Bluetooth Transmitters Car Rear View Camera Bluetooth AUX GPS Navigation Video Recorder Voice Control Wireless Apple Bluetooth Transmitters Carplay Android Auto You can voice GPS navigation, make calls, enjoy music,and siri or android assistant voice control Dual Dash Cam with Front HD 4K Rear 1080P Recording Seamlessly loop video recording when memory Bluetooth Transmitters Card is full, the machine will automatically overwrite the old video and save new video without manual looping. Reverse image(Optional) When hanging in the Rgear, the screen will automatically switch Reverse image, and the accurate inverted auxiliary line provides you with better parking prediction. GPS Navigation In Bluetooth Transmitters CarPlay and Android Auto mode, the DVR can realize the GPS navigation function, and you can directly wake up the voice assistant and say your destination, it will help you plan your route, which is more convenient and safe for your drive.(Note: The DVR itself does not have GPS navigation software) Split Screen Function Split screen display, simple and convenient operation Android/IOS Mirror Link Android/IOS mirroring function is supported. You can connect your phone to the Bluetooth Transmitters Car stereo system via the original data cable to easily connect and sync the content (video etc.) you can also mirror movies for kids to watch while we take longer trips. Four Ways Audio Bluetooth Transmitters Carplay Built-in Wireless Portable Speaker: The wireless Apple Bluetooth Transmitters Carplay has a built-in speaker, once the bluetooth is connected to the phone, you can use it without any operation. High-speed 5G Hz WiFi ( Iphone Or Android ) Equipped with built-in WiFi, it can be connected to a mobile phone, you can preview real-time images to view historical records and quickly download pictures. With the latest 5G Hz technology, the video transmission speed will be faster and smoother than the traditional 2.4G Hz. 24h Parking MonitoringLoop Recording3-Axis G-Sensor Built-in G-sensor activates automatic recording when a sudden shake or collision is detected. When emergency video is recorded, a voice will alert you when you