No Lumps with a Silky taste Great Blending Effect makes the Protein Easy to Absorb Made of Eastman Tritan, Shatter-resistant and Wear-resistant Work with Strong Motor Power Leak-proof Design and Easy to Clean 15-Second Get Perfectly Blended Innovative Design Upgraded, Stronger, and Highly Effective IPX5 Waterproof Design Powerful Motor 15 Second Get Smooth Drinks Perfect Gift For Fitness Enthusiasts BPA-free What's in the Box: Electric Shaker Bottle USB Cable Technical Specs: Construction Materials: ABS Tritan (Cub Body) Capacity: 22 oz. Battery Type: Rechargeable Li-ion Cell Battery Weight: 0.08 lbs. Number of Li-ion Cells:1 Lithium Battery Energy Content: 1200mAh Lithium Battery Energy Content Unit: 1200mAh Lithium Battery Packaging: Packed as an Accessory into the Shaker, No Specific Package Battery Composition: In the Center of the Base Battery Volts: 3.7V Watt Hours (Wh): 4.44 Hrs. Battery Capacity: 1200mAh Motor Voltage: 3V Motor Speed: 7000rpm Rated Power: 7.4W Nominal Voltage: 3.7V, 2A Charging Time: about 3.5 Hours Available Time: about 30 Minutes Product Dimensions: 4.76'' x 3.54'' x 7.72'' -inches Sold as: 1 Weight: 0 lbs.