Features: Zikr Ring is currently the world's smallest smart ring with display function. Built-in BT, Zikr ring is easy to connect with Qibla watch and smartphone. You can receive 5 prayer times reminder by Zikr ring, Qibla watch or smartphone. OLED Display : Zikr ring is equipped with an OLED screen, which provides better image quality and guarantees low energy consumption. Tasbeeh Counter : With the tasbeeh counter, you can easily count and record your daily tasbeeh times anytime, anywhere. Large Capacity Battery : Zikr ring is equipped with a very unique and classic portable charging case design, which can be put into the charging case for charging when not in use. High-End Alloy Material : Zikr ring is designed with high-end alloy material to provide users with long-term wearing comfort. IP68 Waterproof : According to the IEC(International Electrotechnical Commission) standard, the Zikr ring is designed with the highest IP rating for dust and water resistance. Zikr ring is designed in three different sizes of 18,20 and 22mm to ensure the applicability of all users. BT 5.1 : Built-in bt, Zikr ring is easy to connect with Qibla watch and smartphone. You can receive 5 prayer times reminder by Zikr ring, Qibla watch or smartphone. Description: Zikr Ring, iQIBLA's world's first smart ring for Muslim prayers: "The Zikr Ring is designed to meet the needs of Muslims for tasbih and prayer times reminding, replacing the traditional Muslims prayer beads with a smart and neat wearable technology ring. The ring provides many functions, including a reminder of the five daily prayers, a Tasbih counter, in addition to displaying the time." Zikr Ring is the world's first Muslim smart ring, Applying the trendy wearable technology to serve the Muslim. SPECIFICATIONS - Material : Stainless Steel - BT : BT 5.1 - Supporting FOR OS : Android 5.1 or iOS 10.0 or Later - Screen : OLED, 0.49inch, 64*32 - Battery : 40mAh - Button : 1 Button - Charging Port : Pogo Pin - Theoretical Working Hours : upto 3 days in typical usage/upto days in basic usage - Sensors : Vibration Motor - Size Available : 22mm,20mm,18mm (options) - weight:0.15kg - color box size:7.5*7.5*7cm