FEATURES Special memory card for action cameras Supports 4K High-quality shooting Outstanding transfer performance Waterproof, dustproof, x-ray proof and cold resistant New printing technology. Fulfill the goal of an eco-friendly product Lifetime warranty Model GO Card Micro SDHC/SDXC UHS-I U3 V30 Capacity 32GB / 64GB / 128GB / 256GB / 512GB / 1TB[2] Voltage 2.7V ~ 3.6V Operation Temperature -25C ~ 85C Storage Temperature -40C ~ 85C Data Transfer Rate Read: up to 100MB/s ; Write: up to 50MB/s[3] Weight 1g Dimensions micro SD 15.0(L) x 11.0(W) x 1.0(H) mm SD Adapter 32.0(L) x 24.0(W) x 2.1(H) mm Operating System Micro SDHC FAT32 format Supports only products with the microSDHC logo or slots complying with microSDHC memory cards. Supports only products with SDHC logo or slots complying with SDHC memory cards. (adaptor required) Micro SDXC exFAT format Supports only products with the Micro SDXC logo or slots complying with Micro SDXC memory cards. Supports only products with SDXC logo or slots complying with SDXC memory cards. (adaptor required) Write Protect Micro SD (No) Micro SD to SD Adapter (Yes) Warranty Lifetime warranty