4K 2K 1080P HD Mini WiFi Camera Portable Digital Video Recorder Body Cam Infrared Night Vision Police/Bike Camcorder Sports DV Features: ➧4K HD video, helping you collect clearer videos. ➧Hotspot WiFi, real-time monitoring. Voice synchronization when recording video. ➧This wearable camera has video/audio/photo/playback functions. ➧Equipped with a 1000mAh rechargeable battery, it can provide up to 8 hours of recording time. ➧External storage only, supports TF cards up to 128G, and can format the card by yourself. ➧Record before and after, never miss any important moments, and the file protection function keeps you safe. .