Islamic Zikr (Dhikr) Tasbih (Tasbeeh) Ring Lite Smart Ring.  Features: 5 prayer salat time reminder. Tasbih smart counter. OLED display. Light up display. Vibration Feedback. Additional Features: Smart device with display. Wireless connectivity. Rechargeable battery, and USB Power Option. Great gift for Ramadan or Eid. Color: Black. Measurement: 18mm.