Features: xHigh-quality material: This product is made of high-quality material, which is wear-resistant and durable, and can be used for a long time. xDigital display design: The smart rings has a built-in display that can display the time, number of chants and prayer time. It is also equipped with a large-capacity battery and has a long standby time. xWearable Design: This Prayer Reminder Rings is designed as a wearable device that can be integrated into the user39 s daily life and become a practical and stylish accessory. xPrayer time reminder: This smart rings has the function of reminding users of designated prayer times, helping them maintain consistent and regular prayer habits throughout the day. xBluetooth-compatible connectivity: This Prayer Reminder Rings are also equipped with Bluetooth-compatible 5.1 for quick connection to the apps for accurates direction. Notice: xActual color may be slightly different from the image due to different light effect xPlease allow 1-3cm deviation due to manual measurementMaterial: ABS Size: 18mm20mm22mm Battery capacity: 40 mAh Bluetooth-compatible version: 5.1 Voltage: DC-5V Supported system: Androids 5.1 or ios10.0 or higher Screen: 0.49inch, resolution 64x32 Accessories: Ringx1, charging cablex1, manualx1Package List: 1 x Prayer Reminder Rings 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.