Feature: 1. Adopt U1 C10 speed standard, can transmit photos and videos to your computer quickly. 2. Support HD video recording and playback. 3. Adopt high quality storage unit, strictly guarantee the stability and smoothness of data transmission, long service life. 4. Suitable for complex outdoor environment, waterproof, high/low temperature resistance, antimagnetic, X-ray proof. 5. Widely compatible with various microSDHC supporting devices with SD card slots, including smartphones, driving recorders, GPS navigators, digital cameras, MP3/MP4 players and other devices. Specification: Features: Adopt U1 C10 speed standard, can transmit photos and videos to your computer quickly. Support HD video recording and playback. Adopt high quality storage unit, strictly guarantee the stability and smoothness of data transmission, long service life. Suitable for complex outdoor environment, waterproof, high/low temperature resistance, antimagnetic, X-ray proof. Widely compatible with various microSDHC supporting devices with micro SD card slots, including smartphones, driving recorders, GPS navigators, digital cameras, MP3/MP4 players and other devices. Specification: Type: TF card Memory: 16GB/32GB/64GB/128GB/256GB/512GB(optional) Speed level: U1 C10 Read speed: 10MB/s(16GB-32GB), 10-20MB/s(64GB-512GB) Write speed: 5-6MB/s(16GB-32GB),10-15MB/s(64GB-512GB) Item size: 1.5 * 1.1 * 0.1cm /0.59 * 0.43 * 0.04in Packing list: 1 * TF card Package List: 1 * TF card