Today only, Best Buy offers the LG Tone+ Bluetooth 3.0 Headset in Black, model no. HBS-730, for $39.99 with free shipping. (BuyDig via eBay offers it for the same price.) That's tied with our expired mention from three days ago and the lowest total price we could find by $6. It features Bluetooth 3.0, up to 15 hours of talk time, and up to 360 hours of standby time.