iTechDeals offers this Lightweight Wireless Stereo Bluetooth Headset in Black/Green for $23.99. Coupon code "SAVE4" cuts it to $19.99. With free shipping, that's $6 under our expired mention from three days ago and the lowest total price we've seen for this headset. (It's also a current price low by $10.) It features SignalPlus for skip-free music and an 8-hour play time. It's compatible with most smartphones, tablets, and MP3 players.