Sleek design: Connect your notebooks SATA optical drive to your computer with ease. This mobile optical drive solution comes in two convenient options: single USB port and dual USB port. Please review the specifications before purchasing. Secure SATA connection: The SATA end features securing screws, preventing accidental dislodging during use. Stable USB 2.0 interface: Utilizes a highly stable USB 2.0 interface, backward compatible with USB 1.0. No external power supply needed: Operates without the need for an external power source. Compact and portable: Supports notebook SATA optical drives. Its small size and plug-and-play functionality make it easy to carry. Convenient and affordable: Instantly transform your notebook into a convenient and cost-effective external optical drive solution. Two-color power indicator light: Blue for power, red for read/write (dual USB port models lack an indicator light).