1、Food-grade eco-friendly fixed rotor, safe and prevent from falling off, avoid accidental swallowing. 2、Stir well, and last for 2-3 minutes to dissipate heat. 3、In the case of low temperature, the temperature is reversely compensated to play a certain thermal insulation function. 4、IP6 waterproof, can be washed normally under the faucet. 5、You don't need to press a button, just pour hot water above 75℃ and the rotor will turn automatically, easy and convenient. 1 x Mixing Mug1 x Silicone Cover1 x Instruction1 x Clean Brush Condition: 100% Brand NewItem Type: Mixing MugMaterial: ABS Shell +304 Stainless Steel Liner + Food Grade PP + Food Grade Silica GelOptional Color: White, Red, OrangeRefrigeration Chip: SemiconductorCapacity: 360mlProduct Size: Approx. 12.5 x 12 x 9cm/ 4.9 x 4.7 x 3.5inIntelligent Design: No need for charging, no need for batteries, no need for button operation. Just pour hot water above 75℃ and the rotor will turn automatically.Not Applicable: Lotus root powder, sesame paste and other sticky powder stirring effect is not good