1.POWERFUL BLENDING SYSTEM: 12 Ounces fresh juice blender has stainless steel 4 PCS 3D extra sharp blades, a solid power system, and a copper cooling motor with a 22000 rpm/min rotational speed, which makes our mini blender cup 2 times more powerful than others which can easily pulverize even frozen fruits and vegetables into delicious smoothies 2.SAFE & SMART: Personal blender for smoothies is made of non-toxic, food-grade PP/PC with 303 food-grade stainless steel blades, which is solid and durable; Travel blender for shakes and smoothies has mechanical indication light with a power button; if everything works ideally it will be white, but if the parts are not put together correctly, or the battery is low, turns into red to ensure user 3.RECHARGEABLE AND PORTABLE: The durable built-in Li-on 1500mAH rechargeable battery in personal smoothie blender is quickly charged by a power bank, computer, or other USB devices; 3 hours of charging time provides 14 to 15 uses; on the go blender for shakes and smoothies is easy to carry around like a water bottle, allowing you to enjoy fresh juices & shakes while traveling, working out, at home, or anywhere else 4.MULTI-PURPOSE BLENDER: Best small blender for smoothies is simple to prepare nutritious single-portion smoothies, milkshakes, juice blends, fruit, and vegetable mashes, coffee, milk powder, protein shakes, and other similar stuff; Additionally, you may use personal size blenders as a water bottle and enjoy nourishing juices, milkshakes, or smoothies where you want in-home or traveling