Portable car-mounted rapid cooling cup heating quick freezing cup home car dual-purpose plug-in USB smart cold heating cup

This smart portable car-mounted rapid cooling cup can not only quickly cool and heat your drinks, but also supports quick freezing. Compatible with both plug-in and USB charging methods, you can keep the optimal temperature of your drinks anytime and anywhere. It can be used at home or carried in the car, providing you with a cool or warm enjoyment while traveling and working.

Based on this description, here are some professional keywords to continue writing:

1. **Portable car fast cooling cup**: car hot and cold cup, portable car hot and cold cup, smart car hot and cold cup, car hot and cold insulation cup.

2. **Fast cooling and heating**: fast cooling, fast heating, intelligent temperature control, temperature adjustment, fast hot and cold conversion.

3. **Quick freezing function**: freezing mode, quick freezing, super-fast freezing, rapid cooling.

4. **Charging methods**: plug-in charging, USB charging, multi-function charging, portable charging, flexible charging.

5. **Optimal temperature**: thermos cup, insulation effect, temperature maintenance, long-lasting insulation, stable temperature.

6. **Travel and work**: Car use, outdoor activities, travel essential, office tool, portable assistant.

7. **Cool or warm enjoyment**: Suitable for all seasons, refreshing drink, warms up in winter, cools down in summer, and provides comfort all year round.

These keywords can be used in product descriptions, slogans, advertising, etc., which can help attract target audiences and increase product exposure.