High-concerned Chemical: None Error Correction Function: Support Installation Method: External Drive Type: DVD-RW Interface Type: USB 3.0 Disc Loading Mode: Tray Type Cache Capacity: 2MB Recording Format: DVD+RW Maximum DVD Burning Speed: 8x Application: Desktop, Laptop, External Type: DVD Burner Colour: Black Material: Plastic Note: Differences in silk screen printing due to different factory batches do not affect product use Package Contents: 1 x USB 3.0 external CD drive 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 to be slightly different from the actual product. Measurement allowed error is +/- 1-3 cm