HP Home & Office Store offers its HP Wireless Audio Streaming Transmitter, model no. QF299AA#ABC, for $49.99. Coupon code "ACCS73419" cuts it to $34.99. With free shipping, that's $15 under our mention from three weeks ago and the lowest total price we could find now by $39. This transmitter connects to a PC via USB and streams audio to almost any speaker. It features a 100-foot wireless range.