2 in 1 Design & Extra Silicone Straw The bottle cap has a direct drinking function. You can cover the bottle cap and drink directly through your mouth like a regular 380ml water bottle, or just insert it into a silicone straw and drink. No need to prepare a cup to fill with beverage after mixing. You can enjoy a fresh smoothie anytime, anywhere. Higher Speed & Larger Battery Capacity The speed can reach 22,000 rpm. Portable blenders can easily liquefy anything, including small ice cubes, in a short time. Built-in 4000mAh lithium-ion rechargeable battery, fully charged, can squeeze 20-25 cups of juice. Perfect for shakes and smoothies, juices, protein shakes, salad dressings and more. Safe Material, Multiple Safety Protections The blender body is made of the same tritan material as baby bottles. Not only that, our products have built-in mechanical safety devices if the parts are assembled incorrectly. And there is 100% overheat protection for the battery, 100% overheat protection,