This is a Buffalo portable DVD drive, model DVSM-PT58U2V-C. I have been using it, and it works without any problems, allowing for normal writing/playback. Please refer to the photos for the condition. Shipping included. Specifications/Details Connectivity: USB Brand: Buffalo Compatible Devices: Desktop, Laptop Color: Black Item Weight: 0.3 kilograms ■ Compatible OS: Win & Mac ■ Interface: USB 2.0 ■ Type: External ■ Loading Method: Tray ■ Write Error Prevention: DVD/CD compatible ■ Copyright Protection: CPRM (Read/Write) ■ Power: USB bus power, external power supply compatible (AC-DC5 series) *Optional item ■ Maximum power consumption: 5W ■ External dimensions (width x height x depth): 138 x 14.4 x 152mm *Body only (excluding protrusions) ■ Weight: Approximately 293g ■ Warranty period: 1 year ■ Main accessories: F-shaped USB cable, utility DVD, instruction manual *Warranty card is included on the package