Using a tasbeeh counter

Reference:التسبيح-بالأصابع-أكمل-وأفضل Question: I am asking about the [gadgets which are worn as] rings on the index finger – which have a number counter on them. The intention behind using them is to make use of the time by engaging in tasbeeh. So what is the Sharee’ah-based ruling regarding [using] it, and may Allaah reward […]