Reddit reviews Tribest Single-Serving Mason Jar Personal Blender, PB-350

Compatible with ball brand and kerr brand regular-mouth glass jarsBlending/grinding blades are completely enclosed during operation, making it impossible to come in contact with spinning bladesThe powerful 200 watt motor easily blends all your favorite ingredients, including ice, and grinds all your grains, nuts, and seeds2 modes of operation: One touch pulse and press and twist continuous modes for blending and grinding to that perfect consistencyLess waste, less mess, and less hassle