Ecost.com today has dropped the price of an open-box version of the Plantronics Explorer 390 Bluetooth Headset (model no. EXPLORER 390) by 60%, resulting in it’s once $29.99 becoming its new $11.99 sale price, and making it the lowest cost around by about $19. With this headset users receive multi-point technology used for switching between two Bluetooth devices, along with an integrated battery that supports up to seven hours of talk time or 200 hours of standby time. Shipping rates for this deal start at $6.99 and sales tax applies for residents of California, Texas, and Tennessee.

A new version of the same Plantronics Bluetooth Headset can be purchased this week from Costcentral.com for only $30.88, and has included FREE ground delivery. Upgrade to the BlueAnt Q1 Voice Controlled Bluetooth Headset with Multipoint Technology that’s on sale today at 6ave.com for $77.83, and offers both savings of $52.16 and FREE ground shipping. The Plantronics Discovery 925 Bluetooth Headset (Majestic Purple Edition) has dropped an impressive $109.96 today, and can now be found at Amazon.com for only $39.99 with FREE Super Saving Shipping included. Lastly, save $79.91 with the refurbished Jabra Bluetooth Speakerphone that can be found this week at Buy.com for the low price of $19.99.