Material of the shell: ABS If it needs to be plugged in: yes Operating mode: button type Rated power: 48W 1: [Material]: The shell material of this mug warmer is made of high-quality ABS material, strong, durable, and hard to wear. At the same time, the cup features an aluminum lining, which conducts heat more quickly. 2: [Mobile phone charging]: this mug warmer is designed with a wireless charging function for mobile phones, which can replenish the mobile phone's power at any time. 3: [Semi-conductor refrigeration]: this mug warmer uses high-quality semiconductor refrigeration, which can quickly cool drinks to room temperature and keep them tasting fresh, making it convenient and quick. 4: [Smart constant temperature]: the mug warmer can maintain the water temperature at around 55 degrees Celsius, always preserving the best taste of the drink. 5: [Best gift]: The mug warmer is the best gift for mothers, the elderly, and young people. [French company and brand TECH DISCOUNT]: Our company TECH DISCOUNT manufactures and sells this superior quality product compared to similar products on the market (Even if the photos are similar, they are not designed in the same way and sellers do not offer the same after-sales services). Each product undergoes strict quality control before shipping, ensuring you receive your product in excellent condition. In case of a quality issue, we will provide a free exchange within 14 days. Shipped from France on the same day as the order, and you will receive it promptly (unlike other sellers who cannot guarantee shipping times or who ship from abroad).