Flymile X5 ExtendableSelfie Stick Tripod 21.26" Vlog Stand for Insta360 X5/Ace P

16GB=approximately 14GB-15GB

32GB=approximately 28GB-30GB

64GB=approximately 58GB-60GB

128GB=approximately 115GB-119GB

256GB=approximately 230GB-238GB

1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less.