BASEQI 303MA 256GB Aluminum Alloy Micro SD(TF) Memory Card for Macbook Pro Retina 13.3 inch Laptops

1. Contains 256GB ultra-high speed memory card, reads 99MB/s, writes 90MB/s. 2. The edge aluminum profile fits tightly into your MacBook. 3. Quick and easy access is only required with a fingertip or a card similar to a bank card. 4. Automatically back up your data with your MacBook. 5. Plug and play, solve the problem of insufficient capacity. Parameter: 1. Working voltage: 2.7V-3.6V. 2. Working temperature: -25-85 degrees Celsius. 3. Durability: 10,000 times of insertion and removal. Please note: The transfer speed will vary depending on your hardware, software, usage, etc.