Professional-Grade Fast Cooling & Deep FreezeThis Feelfunn electric cooler goes from room temperature (77°F) to fridge-cold (32°F) in just 15 minutes, or down to a deep-freeze -4°F in only 45 minutes with its efficient 12V refrigerator system.; Smart APP Control & Hands-Free ConvenienceControl everything from your phone with this portable car refrigerator: remotely adjust temperature, switch between fridge/freezer modes, and monitor battery levelall without touching the electric cooler.; 50-Hour Extended Freshness & Energy EfficiencyThis 12V refrigerator keeps your contents cold for up to 50 hourseven during outagesthanks to its ice pack and superior insulation. In ECO mode, this portable car refrigerator runs on only 28W (1 kWh/day),; Quiet 45dB Operation & All-Terrain Stable CoolingAt a library-quiet 45dB, this portable car refrigerator wont disrupt conversation or sleep. Four anti-shake anchor points keep it secure even on 40° slopes or rough roads, ensuring consistent cooling in motion.; Buy with ConfidenceThe electric cooler includes a built-in ice pack, AC/DC adapters, and 3-level battery protection to prevent vehicle battery drain. UL certified and backed by a 1-year warranty for safe, reliable use. Our support team is always here to help.