DoubleCare portable blender is built-in safety features, Magnetic sensing switch ultra safe to use and clean, the juicer cup will stop working when body and bottom separated,Prevent injuries and use more safely!The USB juicer cup equipped with 2000mAh rechargeable high quality batteries that can be recharged in a variety of ways, like charging by power bank, AC Adapter and computer, and charging time is 3-5 hours; fully charged can produce 10-15 cups of juice.Portable Blender Cup is great for making nutritious single-portion smoothies, juice blends, mix fruits and vegetables, coffee, milk powder, protein shake, baby supplementary food. it also can be used as common bottle. easy to carry with silicone gel,Ideal for any kitchen, office or outdoor.