Target offers the Black & Decker 14.4-volt Cordless Dust Buster in Blue/White, model no. CHV1410, for $29.99 with free shipping. (Amazon charges Prime members the same.) That's $10 under our mention from a year ago and the lowest total price we've seen. (It's also a price low today by $6.) This hand vac features a rechargeable lithium ion battery, bagless cyclonic suction system, and rotating nozzle.