DPS's mission is to provide innovative, practical and top-quality products that reduce cost and improve the way users employ digital technology. Commitment to excellence in design and function sophistication appeal to the needs of customers at any market condition. PRODUCT FEATURES: Easily add and enable IrDA function to your computer trough USB port; USB plug and play; Fully compatible with IrDA 1.1 and USB 1.1 specification; Compatible with FLR 4 Mbps, Mlr, SIR and ASK 56 kbps; No power adapter required.