Using high-tech chip, fingerprint unlocking is more convenient, and files are more secure. Fast and sensitive fingerprint recognition, and it only takes a few seconds to unlock. Made of zinc alloy, it is wear-resistant and has a long service life. USB 2.0 connector, provide more stable transmission performance. Plug and play, simple and convenient. Lightweight and portable, you can easily carry it with you. Parameter For Apple interface interface: 1 6M/S- -27M/S USB interface: 1 6M/S- -29M/S (The relevant data above is measured by the development department. The actual operating current and transmission speed may vary due to the different type of devices and accessories.) Colour:gun gray Material:Zinc alloy Package Contents: 1x Fingerprint U Disk 1x English manual 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.