Product Description Item : Shaker BottleMain Material: PP, Silicone, , less SteelCup Height: 20cm / 7.87"Cup Mouth Diameter: 8.5cm / 3.35"Cup Bottom Diameter: 6cm / 2.36"Total weight: 530g / 18.70ozRecharge Type: USB2.0/3.0 Connector( 5V) : 2 AAA Recharge Li BatteriesCup city: 450ml / 16ozPackage Include: 1 x Shaker Bottle, 1 x USB Cable, 1 x BoxUSB Rechargeable Vortex Mixer:No need for extra batterie.The shaker bottle comes with a USB cable to charge it anywhere,such as home,office,gym,car even on the go if there is a power bank 16oz city - Easy To Clean And Widely Application: 16oz capacity will meet your demand, neither too big nor too small. self- ng vortex mixer can also be cleaned by adding water and soap. Allow the mixer to create a vortex and rinse it It's widely used for kitchen cook, office worker, fitness fanatic, stir milk, or occasion. Leak Shaking Bottle: -twist locking mechanism tightly seals lid & prevents spillage during ngBPA- Shaker Bottle:Sleek, stainless steel and high-quality Food-grade BPA-free material give you style and peace of mind ful Electric Protein Shaker Bottle:quickly mixes up drinks no clumping. adding the desired liquid, press the power button on the motor to create the vortex, add the powder and wait 30 seconds.It mix all your powder shakes.Works great with pre-workout, creatine, protein, and any powdery substance Warnings:1. tamper with propeller blade.2. unscrew button of mixer .3. drink without lid on mug.4. to follow these rules may resulit in a defective product at consumer's cost.