toy0726 via eBay offers the Samsung Gear Circle Bluetooth Wireless Headset with Microphone in four colors, model no. SM-R130NZKSXAR, for $31.34 with free shipping. That's $29 under our April mention and the lowest total price we've seen. (It's a current low by $9.) It features up to nine hours of continuous playback, sweat resistance, and voice command support.