iQIBLA's Zikr Ring Flex Lite is a Smarter, Sleeker and Lighter Tasbih Ring for Muslim prayers, The Zikr Ring is designed to meet the needs of Muslims for tasbih and prayer times reminder, replacing the traditional Muslims prayer beads with a smart and neat wearable technology ring. The ring provides many functions, including a Smart Tasbih Counter upto 9999, reminder of the Two to five time daily prayers, 3 Tasbih Time Reminder With OLED Display, Comes With 3 Compatible Sizes(18mm / 20mm / 22mm) SPECIFICATIONS: Ring Size : 3 Compatible Sizes(18mm / 20mm / 22mm) Product Weight : 7.7gm Packing Size(cm) : 7.6*7.6*4.0 Packing Weight : 166gm Material : Polymer Bluetooth : Bluetooth 5.1 Supporting OS : Android 5.1 or iOS 10.0 or Later Screen : OLED, 0.42inch, 62*40mm Battery : 50mAh Button : 1 Button Charging Port : Pogo Pin - UAB C Type Theoretical Working Hours : upto 7 days in typical usage / upto days in basic usage Sensors : Vibration Motor Size Available : 22mm, 20mm, 18mm PACKAGING INCLUDES: 1* Smart Zikr ring with 3 Sizes attachments