Used in conjunction with the USB interface of digital devices, this is a universal USB computer lock. 4-digit password combination, easy to set. Made of zinc alloy, . The lock is easy to install with one hand and is convenient to carry. Easy to install and easy to use. Type: USB Password Lock Applicable: Digital devices with USB holes (except USB3.0) Note: Due to the special properties of the product, the feeling of plugging and unplugging the USB hole will become loose, but it will not affect the normal connection of other devices Color: Silver and Black Material: Zinc Alloy Size: Cable Length: 1.9m Package Contents: 5 x USB Password Lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.