QS13 1.83 inch BT5.2 Smart Sport Watch, Support Bluetooth Call Sleep Blood Sugar Blood Oxygen Heart Rate Blood Pressure Health Monitor General specifications: 1. Product size: 44.7x10.5mm 2. Case material: aluminum alloy, ABS+PC 3. Strap specifications: 22mm silicone strap (removable and replaceable) 4. Product weight: 40g 5. Waterproof level: IP67 6. Battery life: 5-7 days (depending on usage scenarios) 7. Charging time: Less than or equal to 2H 8. Compatible with smartphone systems: Android 4.4 or IOS 9.0 or above systems that support Bluetooth 5.2 BLE 9. APP name: Glory Fit 10. Watch firmware language: Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean, Dutch, Hindi 11. APP language: Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean Hardware Configuration: 1. MCU: RTL8763EWE 2. RAM: 64KB 3. ROM: 521KB 4. Flash: 128Mb 5. Heart rate chip: LC11S 6. Bluetooth: BLE5.2 7. Display: 1.83 inch, 240x280 TFT display 8. Physical buttons: 1 9. Touch: Full screen touch 10. Battery: 300mAh Software configuration: 1. Built-in dials: 6 built-in dials, supports custom dials 2. Basic functions: Data, Female physiological cycle, exercise mode, call history, contacts, call reminderanswerreject, music, message push, sedentary reminder, alarm clock, wrist flip screen onoff, shake to take a photo, do not disturb mode, search for phone, step count, countdown, stopwatch 3. Bluetooth call connection: Connect 1 time 4. Health management: Sleep monitoring, heart rate, blood pressure, blood sugar, Blood oxygen, temperature detection 5. Sports modes: 100+ sports modes Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store