Adjustable coarseness design with t-op rotary knob, fit your various needs. 200ml large refillable capacity offers you better use and pleasant enjoyment, time-saving for a quick meal. Made of superb stainless steel and reliable, washable glass, it is durable and long-lasting. Built-in 1200mAh high capacity rechargeable cell and comes with port design Convenient USB charging station, flexible to be charged by laptop, computer, power supply, etc. Indicator lamp design to let you know its charging status. Features: Input Voltage: DC 5V 0.5A Coarsness: Adjustable Cell: 1*3.7V 1200mAh rechargeable cell Charging Hours: 2 Hours Working Hours: 1.5-2 Hours Item Color: Silver USB Cable Length: 320mm Item size: 225 * 60mm/8.9 * 2.4in (height * di ameter) Item weight: 397 g/ 14 oz Package size: 255 * 80 * 80 mm/10 * 3.1 * 3.1 inch (length * width * height) Package weight: 460g / 16.3ounces