• PRECISE TEMPERATURE CONTROL: The digital display shows real-time temperature and battery level, supporting precise temperature control from 36°F to 64°F (2°C to 18°C), ensuring items are stored at the optimal temperature
• LARGE CAPACITY COOLER BOX: The portable cooler box can store up to 3-5 pen-shaped items or about 20 refill bottles to meet daily and travel needs (inner tank size: 6.7*2.2*1.1 in)
• EFFICIENT COOLING PERFORMANCE: The liner adopts arc corner design to effectively avoid items from bumping and ensure safety during use. The aluminum liner can also enhances cooling efficiency and durability
• MULTIPLE CHARGING OPTIONS: The portable cooler box supports charging via outlet, power bank, or USB. It also comes with 2 extra 10200mAh portable lithium batteries and a carrying bag, perfect for long trips and travel needs
• MULTI-SCENARIO USE: The cooler case can also store skincare products, suitable for travel, home, commuting, and business trips. The operating noise is as low as 20-30 dB, providing a quiet use environment