The USB card slot supports TF cards within 256GB. USB2.0 fast transfer up to 480Mbps, high-speed file transfer. The secure transmission is stable and uninterrupted without delay. The all-in-one TF card reader instantly becomes a U disk, and you are not afraid of losing your TF card when you go out. Mini design, more convenient to carry when going out. Name: TF card reader Transmission speed: USB2.0 Colour:silver Material:Zinc alloy Package Contents: 1 x Card Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. The hidden USB card slot supports TF cards within 256GB. The TF card reader instantly becomes a U disk, and you are not afraid of losing your TF card when you go out. The secure transmission is stable and uninterrupted without delay. Mini design, more convenient to carry when going out. USB2.0 fast transfer up to 480Mbps, high-speed file transfer.