64GB Micro SD Card Memory U3 V30 TF For NEXTBASE Dash Cam 312G,222X 4K Video
The all new UHS Speed Class 3 (U3) and UHS Video Speed Class 30 (V30) allow you to record video in 4K UHD. 4K Ultra-HD high-quality video compatible. 4K Ultra-HD high quality video compatible. Video Speed Class: V30.