<ul> <li>This sports watch uses a 1.39-inch TFT screen with a resolution of 360*360 and excellent HD quality. The full touch screen technology is easy and fast to use</li> <li>Supports the voice assistants of mainstream mobile phones on the market. You don't need to take out your mobile phone when connected to Bluetooth. Long press the voice assistant function on the watch to easily issue commands</li> <li>Free your hands, equipped with powerful 5.3 + 3.0 and professional communication chips, read news, answer calls, the smartwatch can do it all, and easily stay online</li> <li>Support 100+ sports modes, including running, walking, cycling, hiking, yoga, basketball, soccer, badminton, treadmills and dynamic cycling etc.</li> <li>Supports 24 / 7 heart rate monitoring, helps you better understand your health condition</li> <li>Sleep monitoring automatically evaluates your sleep quality according to different stages of sleep, so you can lead a healthier life</li> <li>With its IP67 (life waterproof) waterproof rating, whether you wash your hands, or encounter sudden rain you can wear the smartwatch without worrying about the watch being damaged</li> </ul> <p><strong>Specifications:</strong></p> <table> <tbody> <tr> <td>Product Model</td> <td>R19</td> </tr> <tr> <td>Dial Size</td> <td>1.39-inch TFT round screen</td> </tr> <tr> <td>Watch Material</td> <td>Zinc alloy case + ABS + PC</td> </tr> <tr> <td>Main Chip</td> <td>AC7012/F6</td> </tr> <tr> <td>Bluetooth</td> <td>5.3+3.0, dual-core, 2*192MHz/60HZ</td> </tr> <tr> <td>Memory</td> <td> <p>ROM+RAM, RAM640KB+External, 128Mb Flash</p> </td> </tr> <tr> <td>Extended Memory Card</td> <td>Not Support</td> </tr> <tr> <td>Heart Rate</td> <td>VC30F</td> </tr> <tr> <td>Blood Oxygen</td> <td>VC30F</td> </tr> <tr> <td>Blood Pressure</td> <td>Support</td> </tr> <tr> <td>Barometer</td> <td>Not Support</td> </tr> <tr> <td>Geomagnetism</td> <td>Not Support</td> </tr> <tr> <td>Body Temperature</td> <td>Not Support&nbsp; &nbsp;</td> </tr> <tr> <td>G-Sensor</td> <td>Support</td> </tr> <tr> <td>Compass</td> <td>Not Support</td> </tr> <tr> <td>Gyroscope</td> <td>Not Support</td> </tr> <tr> <td>ECG (Electrocardiogram)</td> <td>Not Support</td> </tr> <tr> <td>Resolution</td> <td>360*360</td> </tr> <tr> <td>Mode</td> <td>Full-screen touch</td> </tr> <tr> <td>IC</td> <td>BL6133</td> </tr> <tr> <td>Process</td> <td>OGS</td> </tr> <tr> <td>Glass Material</td> <td>AGC</td> </tr> <tr> <td>Battery</td> <td>300mAh polymer</td> </tr> <tr> <td>Certifications/Safety Regulations</td> <td>MSDS/UN38.3 certified</td> </tr> <tr> <td>Charging Mode</td> <td>2-pin magnetic base</td> </tr> <tr> <td>Charging Time</td> <td>3 hours</td> </tr> <tr> <td>Buttons</td> <td>Number: 2 (support one knob),&nbsp;</td> </tr> <tr> <td>Specification: Switch</td> </tr> <tr> <td>Vibration</td> <td>Support</td> </tr> <tr> <td>Specification: column motor 4848</td> </tr> <tr> <td>Microphone</td> <td>Support (waterproof MIC)</td> </tr> <tr> <td>SPK</td> <td>Support</td> </tr> <tr> <td>Usage Time</td> <td>7-10 days (turn on BT, raise hand to light up the screen)</td> </tr> <tr> <td>Standby Time&nbsp;</td> <td>20 days</td> </tr> <tr> <td>Waterproof</td> <td>IP67</td> </tr> <tr> <td>Language&nbsp;</td> <td>Simplified Chinese, English, etc. (default English)</td> </tr> <tr> <td>Workout Mode</td> <td>Running, Walking, Cycling, Hiking, Yoga, Basketball, Soccer, Badminton, Treadmill, Dynamic Cycling (100+ kinds)</td> </tr> </tbody> </table>