Achieve even grounds instantly when you use the HAMAC Hand Coffee Grinder Energizer. Working with your manual coffee grinder, HAMAC instantly turns it into an electric one. This nifty device is totally ergonomic for a firm and comfortable grip. Attaching easily to the top of your manual coffee grinder, HAMAC works diligently to produce superbly even grounds. The handheld device runs at a slower speed than regular electric grinders, which is advantageous for true coffee lovers. With low speed, this clever device applies no heat, meaning HAMAC preserves the flavors and aromatics of your coffee. At just 65dB, HAMAC runs quietly, unlike traditional electric coffee grinders. Plus, it’s totally portable so you can achieve the same great grounds anywhere you go.