HT19 1.2 inch Round Screen IP68 Children Smart Watch, Support Sleep Monitoring 1. Built-in watch faces: 7 built-in watch faces, supports custom watch faces, and supports watch face downloads 2. Basic functions: weather, sleep, heart rate, blood oxygen, blood pressure, alarm clock, sedentary reminder, alarm clock reminder, music control, remote photography, messaging, Alipay, search for mobile phone, search for bracelet 3. Health management: exercise monitoring, sleep monitoring, heart rate detection, blood pressure detection, breathing exercise 4. Sports modes: 25 sports modes on the watch, massive sports modes on the APP 5. WeChat Sports: Synchronize watch exercise steps to WeChat rankings 6. Message and call reminder: phone, SMS, WeChat, QQ, WhatsApp, Line, Facebook, Facebook messenger, Kaokao, Twitter, Skype 7. Firmware upgrade: watch firmware can be upgraded over the air through the APP 8. Parameters: - Waterproof grade: IP68 - Battery life: 5-7 days - Charging time: less than or equal to 2H - Compatible with smartphone systems: Android 5.0 or IOS 8.2 or above systems that support Bluetooth 5.5 BLE - APP name: GloryFit - Watch firmware language: German, Spanish, French, Italian, Arabic, Polish, Russian, Dutch, English, Indonesian - APP language: German, Spanish, French, Italian, Arabic, Polish, Russian, Dutch, English, Indonesian - CPU: RTL8762CK - External Flash: 128Mb - Heart rate chip: LC11S - Acceleration sensor: STK8321 - Bluetooth: BLE5.0 - Display: 1.2-inch 240x240 IPS display -Physical buttons: 2 - Touch: full screen touch - Battery: 200mAh polymer battery - Charging method: USB magnetic charging - Size: 41.5x13.5mm - Case material: plastic - Strap specifications: 20mm silicone strap (removable and replaceable) - Weight: 38g (including silicone strap) 9. Packing list: - Watch x 1 - Strap x 1 - Charging cable x 1 - Instruction manual x 1 - Packaging color box x 1