<ul><li><p>1.3-inch full touch screen</p></li><li><p>IP67 waterproof, supports daily needs such as washing hands</p></li><li><p>Dynamic analysis of the heart rate histogram result</p></li><li><p>BOSCH BMA421 high-end low-power sensor (high precision)</p></li><li><p>Heart rate, blood pressure and blood oxygen monitoring</p></li><li><p>DIY watch dial, you can set autodyne photos, family photos on the main watch dial</p></li><li><p>Replaceable colorful silicone belt</p></li></ul><p><strong>Specifications:</strong></p><ul><li><p>Multiple sport mode: walking / running / cycling / skipping / badminton / basketball / soccer</p></li><li><p>Chipset: NRF52832</p></li><li><p>Internal storage memory (ROM + RAM): 64KB + 512KB and add another flash: 128Mb&nbsp;</p></li><li><p>Maximum external memory support (Flash T) (GB): N / A&nbsp;</p></li><li><p>UTMS / wcdma band: N / A&nbsp;</p></li><li><p>GSM band: N / A&nbsp;</p></li><li><p>LCD style: IPS&nbsp;</p></li><li><p>Screen size: 1.3 inches&nbsp;</p></li><li><p>Resolution: 240 * 240&nbsp;</p></li><li><p>GSM antenna: N / A&nbsp;</p></li><li><p>BT antenna: yes&nbsp;</p></li><li><p>G-sensor: bosch BMA421&nbsp;</p></li><li><p>Battery: 250mAh&nbsp;</p></li><li><p>Rare listening: hrs3300 dynamic sound frequency real-time</p></li><li><p>Blood pressure: yes&nbsp;</p></li><li><p>Blood&nbsp;oxygen: yes</p></li><li><p>Compatibility: Android 4.4 or higher, iOS 9.0 or higher</p></li></ul>