[DETAIL]<br>Regarding Capacity:<br>32GB=approximately 28GB-30GB<br>64GB=approximately 58GB-60GB<br>128GB=approximately 90GB-110GB<br>256GB=approximately 228GB-236GB<br>The factory capacity of hardware manufacturers is as follows: 1MB=1000KB, 1G=1000MB, while our operating system uses binary algorithms, so there is a difference between the display capacity of the memory card and the nominal capacity, which is a normal phenomenon (1MB=1000000 bytes). If you have any questions, please leave a message and we will provide you with professional customer service. Thank you.<br><br>[ATTRIBUTES]<br>- High-concerned chemical: None<br>- Package: Yes<br>- Material: Metal<br>- High-concerned chemical: None<br>- Package: Yes<br>- Material: Metal<br>- Model Number: K0002<br>- Product Type: Normal<br>- Interface Type: USB 2.0<br>- Brand Name: amzwn<br>- Origin: Mainland China