The Green Lion Smart Zikr Ring with OLED Display - Black boasts an advanced, user-friendly design that enables easy operation of the device. The ergonomic ring shape of the product delivers its users maximum comfort during their extended periods of use. The ring features touch control, which enables you to operate the device through touch instead of using physical buttons. The device displays a 5-digit counter through its OLED screen, which enables users to track their count from 0 to 99999. Its premium finish gives it a sleek, stylish appearance, which makes it suitable for daily use. The device charges quickly through USB-C charging, which takes only 4 hours to complete its charge cycle. The ring provides 24 hours of active use after charging, and it supports 15 days of standby time, which enables you to use it throughout the day. The waterproof IP23 rating provides protection against various environmental conditions, which makes the product suitable for all types of events. Specification Material: ABS + Silicone Battery: 80mAh Counting Range: 0-99999 Ring Size: 18mm/20mm/22mm Waterproof: IP23 Charging Port: USB-C Charging Time: 4 Hours Working Time: 24 Hours Standby Time: 15 Days Features Ergonomic Ring Shape Touch Control Premium Finish USB-C Charging 15 Days Standby 18mm/20mm/22mm Custom Fit Design Digital Clock 5-Digit Counter