1、With intelligent LCD temperature display, the internal temperature of the liquid in bottle can be obtained by touching the screen. 2、Adopt double‑layer insulation, good heat preservation and cold preservation effect, good airtightness and no leakage. 3、Selected high‑quality 304 stainless steel material, durable, corrosion‑resistant and long service life. 4、Suitable for outdoor sports, work, beach, school, office, picnic, yoga, hiking, camping, cycling, running, etc. 5、Cup bottom is equipped with a silicone anti‑skid pad, which reduces the cup tipping and place it on the table smoothly. 1 x Vacuum Flask1 x Manual Item Type: Vacuum FlaskProduct Model: MB201Working Voltage: 3.7VLife Time: 2 Years (50,000 Times)Waterproof Rating: IPX4Product Capacity: 300mlBattery Specification: 950mAh (CR2477) Built-In BatteryScreen Display: LED Screen (Digital Display Tube)Cup Body Material: Food Grade 304 Stainless SteelLid Material: Food Grade PC (Polycarbonate)Product Process: Stretched Seamless Inner LinerInsulation Effect: Temperature: 65℃ or Above; Time: 6 HoursCold Preservation Effect: Temperature: Below 8℃; Time: 6 HoursWeight: Approx. 319g / 11.3ozProduct Size: Approx. 68x68x200mm / 2.7x 2.7x 7.9inHow to Use: 1. Click the touch area to display the current water temperature, display for 3 seconds, and automatically turn off. 2. Upside-down water cup, more accurate temperature measurement. 3. The built-in battery in the thermal lid can be used for more than 2 years, or 50000+ times, long-term battery life, no need to recharge.