USB powered with built-in rechargeable Li battery, it can get recharged repeatedly. With automatic stirring function. Plug and Play, no need to install extra driver. Easy installation and easy operation. Keep your coffee, tea, or other beverage warm. Portable design, you can carry it around during travel. It's also suitable for home and office using. Color: Silver/Orange/Black Voltage: 3-5V Power: 3W Nominal volume: 6 oz Compatible with PC hardware Item size: approx. 5.9" x 2.6" x 2.4" Item weight: 6.1oz Package including: 1 x USB Coffee Cup 1 x USB Charging Cable 1 x User Manual
NOTE: This tumbler will keep your hot beverage warm but it won't heat any cold beverage.
The stirring function is to keep the entire beverage warm, not to mix or blend ingredients.