1. All USB devices can be used, not only , compatible with USB audio devices in the market. 2. black colloid chip, faster/more stable/higher speed, USB stable and fast transmission. 3. Small volume and capacity, high speed transmission and storage of /videos, etc. 4. Ipx-7 waterproof, avoid file damage, file loss. 5. Whether family car or business SUV, compatible with 99% mainstream models on the market. Port: USB port Function: portable operation, plug and play, easy to use of use: automobile, computer, TV, mobile audio and other equipment : more than 1,000,000 Operating temperature: 0Celsius~60 Celsius Storage temperature: between -20Celsius and 85Celsius Transmission speed: reading 17-90MB/s, writing 6-45MB/s Storage capacity: 16GB Size: 15x15x13mm/0.59X0.59X0.5in Colour:black Material:Metal + Plastic Package Contents: 1 X Car Flash Disk Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.