Item Type: Insulated Water Bottle Material: 304 Stainless Steel + 316 Stainless Steel + ABS + Food Grade Silicone Weight: Approx. 371g/ 13.1oz Product Size: Approx. 21 x 6cm/ 8.3 x 2.4in Capacity: 380ML Battery: Polymer Lithium Battery Battery Capacity: 300mAh Charging Method: Wireless Charging Charging Time: About 4 Hours Water Temperature Range: 0~98℃ Waterproof Rating: IPX7 Package List 1 x Insulated Water Bottle 1 x USB Power Cable 1 x Wireless Charging Base 1 x Instruction 1. Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. Press and hold the lid for 3 seconds to activate the reminder function. 4. This product cannot change the water temperature. 1、It has a timing reminder function, and it glows every hour to remind you to drink water to keep you healthy. 2、Temperature display, touching the lid will display the water temperature, providing you with anti‑scaling function. 3、The lid can be charged via a wireless charging base, which is very safe and there is no need to worry about running out of battery power. 4、Both inside and outside are made of 316 stainless steel, which has good oxidation and corrosion resistance. 5、The lid is made of food‑grade silicone, which is non‑toxic and tasteless, and has good sealing performance to ensure no leakage.