Portable Blender - 17 oz Rechargeable 6 Sheet Blender Cup | Travel Blender for Shakes and Smoothies with Fresh Juice and Cup Lid | For Home, Sports, Outdoor, Travel 1. IMPROVED BLADES AND MORE PERFORMANCE: The six stainless steel blades with 2000mAh x 2 batteries can drive a 7.4V motor and a speed of 18,000rpm, allowing the smoothie blender to prepare your desired juices and smoothies in 30 seconds. 2. RECHARGEABLE & LONG BATTERY LIFE - Built-in 4000mAh battery and USB charging port, this rechargeable USB mixer can mix 20-30 times on a single full charge. And you can charge it via a power bank, computer or other USB power sources. 3. SAFETY AND HEALTH - The built-in magnetic safety switch ensures that this personal size mixer stops mixing when the mixing container part and the mixer base are not fixed or properly assembled. And we've chosen this little blender to be strictly BPA free, so you can prepare juices, smoothies, baby food and other ingredients with peace of mind. 4. Lightweight and practical: this portable travel blender weighs only 1.54 pounds and is more portable with this lighter weight.. 5. Easy to use and clean: mix and clean at the touch of a button. Just put some water into the cup and press the button to start the automatic cleaning. Material:ABS+PCTG+304 Capacity: 500ML Power: 150W Battery capacity: 4000mah