Features: Read the Quran and Islamic supplications directly from the watch Adhkar and Hisnul Muslim for all occasions are available High-precision prayer time notifications Ramadan Iftar and Suhoor notifications based on location Continuous heart rate measurement Track daily activity, steps, and calories Monitor sleep and record sleep duration and quality Large 2.2-inch clear IPS screen 300mAh battery lasts 3-5 days of actual use IP67 water resistance for daily activities Specifications: Brand: Denx Warranty: 2 years Warranty Agent: Denx Model: DW-105 Processor: JL7012 Dual Mode Memory: RAM 640KB / ROM 256MB / Local Flash 4GB Bluetooth: BT5.3 Screen: 2.2 inch IPS, 420*486 Body: Kirsite Metal Colors: Titanium, Dark Gray Battery: 300mAh, Wireless Charging Usage Time: 3-5 days, Standby: 7-10 days Resistance: IP67 Water Resistant Control Interface: Full Touch Screen + 3 Side Buttons Sensors: MSA310, HX3605 for Heart Rate Operating System: Android 6.0+ / iOS 12+ App: DENX WATCH Product Contents: 1x Dnex Smart Watch 1x Silicone Strap 1x Steel Strap 1x Wireless Charger 9x User Manual How to Use: Attach the appropriate strap for your phone Fully charge the watch before use Install the DENX WATCH app on your phone Adjust language and interface as you wish Follow prayer times, sleep, and daily activity