Rowatch 2 1.69 inch TFT Screen Smart Watch 1. Screen size: 1.69-inch TFT square screen 2. Material: ABS+PC, zinc alloy, ectroplating, gl, silicone 3. Main chip Nordic 528324. Accerometer: SC7A 205. PPG heart rate sensor: HRS 33006. Touch IC: Sea Oak 716S 7. Resolution: 240* 2808. Flash size: 64M 9. Bluetooth version: BLE5. 010. Antenna: FPC 11. Battery capacity: 200mAh 35222612. Charging method: magnetic suction line charging 13. Waterproof grade: IP 6714. Standby time: 30 days 15. Use time: about 5-7 days (depending on usage) 16. Compatible mobile phone system: Android 5.0 and above, IOS 9.0 and above, support Bluetooth 4. 017. Languages ??supported by the bracet: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 18. APP display language: Simplified Chinese, English, Italian, French, German, Spanish, Portuguese, Russian, Japanese, Thai, Arabic, Korean 19. Bracet push language: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 20. Functions: blood pressure monitoring, sleep monitoring, blood pressure and oxygen monitoring, step calculation, exercise distance, calorie consumption, raising hand to brighten the screen, alarm clock reminder, call reminder, SMS reminder, message notification, sedentary reminder, stopwatch, music control , control the camera, the weather, etc. 21. Product size: 43.7x35.4x10.3mm 22. Weight: 48.8g