Newest 7.4V Powerful Mini Blender: The newest 4 blades 7.4V portable blender is more powerful than other 3.7V mini juicers in the market. Perfect for blending green fruit smoothies, milkshakes, juices, protein shakes, baby food supplements, salad dressings, etc. Super Portable Design: With 420ml/14oz portable size, the mini blender is easy to put in backpacks or shoulder bags to carry. Simply charge via USB port about 4 hours before initial use. It can be used about 12-15 times under a full battery Magnetic Induction Charging: Designed with magnetic induction charging (Built in 4000mAh battery), the portable blender is compatible with any power device with a USB port, such as a car adaptor, AC adaptor, power bank, etc Safety Design: Double-click for start, which is very easy to use and avoid touching the switch accidentally. The blade won't work unless the lid is screwed properly, which prevent high speed rotating blades from hurting you. It is auto off after 40s in case you forget to turn it off which help save energy and extended battery life Easy to Clean: With IP68 waterproof design, you can wash all parts of the blender (Both the motor and bottle) with running water directly. The concave hidden design of the stainless steel blade helps you avoid being cut and keep the dangerous away while cleaning