Stylish mirror, by touching the LED screen, the internal temperature of the liquid is easy to understand 500ml large capacity. 12 hours of hot or cold water. Suitable for easy travel, suitable for outdoor sports, office, beach, school, picnic, hot yoga, hiking, camping, cycling, running, walking, gym, fitness, etc.   Features: Food grade safety material.  No need charge.  With LED display to prompt real-time water temperature by touching.  12 hours of hot or cold water.  Long-lasting insulation: The vacuum of the cup will hinder heat transfer.  500ml large capacity.  You don't have to use your mouth to test the temperature and avoids burns. 360 degree rotation does not need to worry about water leakage, and the sealing is perfect.   Specifications: Material: ABS + stainless steel;  Color: Pink, Black, Gold, Red, White (optional);  Cup lid: LED temperature control + steel core;  Cup body: 304 stainless steel;  Capacity: 500ml;  Built-in battery: 1 * CR2450 button battery, 3V 600mAh;  Size: 65 x 230mm / 2.6 x 9.1in;  Weight: 275g / 9.7ounce;  Package size: 250 x 90 x 90mm / 9.8 x 3.5 x 3.5in;  Package weight: 317g / 11.2ounce;   Package included: 1 x Water bottle