1. USB Retro Lamp for $12: Perk up your desk with the cozy glow from this orange or purple lamp that bends any which way you like, www.perpetualkid.com.
2. USB Mini Lava Lamp for $5 - $10: Late nights at the office feel a bit more like college cramming sessions (in a good, nostalgic way) with this six-inch-high mood-setter. Filled with glitter flakes, the Mini Lava Lamp comes in clear, blue, pink or purple lava, www.thinkgeek.com.
3. USB Fan + Lamp combo for $12: This modern desk accessory in orange does double duty with a seven-inch-long light source and a separate small fan. Perfect for the dog days of summer, www.usbgeek.com.
4. Kensington FlyLight USB Notebook Light for $20.66: Just right when you’re in a meeting, on a plane or in bed. Plug it in, adjust the bendable arm and the LED casts a glow on your keyboard, www.officedepot.com.