1. Packing: 4 USB Adapters (IEEE 1394 6-Pin) Firewire. This USB Male To Female Adapter Is Compatible With USB 1.1 And 2.0. 2. Material: 1394 Fireproof Wire To Adapter Is Made Of PVC, After More Than 20 Inspections, Reliable Components And Structure Greatly Improve Safety. 3. Function: Firewire 400 To Usb Adapter Is Suitable For Camcorders, Printers, Digital Cameras, Mp3 Players, Pdas, Scanners, Hard Drives, Etc. 4. Quick And Easy To Use: Plug And Play, No Software Or Power Required, Very Convenient To Connect Your Computer To The Adapter. 5. Note: The 1394 Interface Is Converted To A Usb Port, Which Affect The Voltage And Current Of The Camera And Camera. If The Computer Does Not Respond, The Computer Must Check The Camera Driver. Type: Adapter Number Of Branch Connectors: Single Head Data Transfer Speed: 150 MB/S Material: PVC Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:As Shown Package Contents: 4x Adapters 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.