Best Buy has this Oster MyBlend Personal Blender marked down to only $12.99! (Reg $19.99) 

The new Oster® MyBlend® Personal Blender makes it easy to maintain a healthy lifestyle while juggling a busy schedule. Simply fill the reusable sports bottle with your favorite fruits, vegetables, shakes, and more; blend to your desired consistency with one touch; and take your nutritious drink on the go. With an impact-resistant, dishwasher-safe bottle and a travel-friendly carrying lid, 400 watts of blending power, and a removable blade attachment for easy cleaning, this convenient Oster blender couldn’t be easier to use. Great for the gym, work, walks and hikes—or for simply enjoying at home.