1. Display screen, maximum count times 999999 times, connect to APP to see the count times, can set multiple counting tasks. 2. With charging compartment, standby time is about 12 days. 3. Ring battery capacity: 40 mAh, charging compartment battery capacity 120 mAh. 4. Waterproof, 5 prayer time reminders, charging method: charging compartment. 5. Counting, azan reminder, time display, APP control, multiple counting task settings.<br><br>Item Type: Smart Counter Ring Battery: 40mAh lithium battery (built in) Matching System: For Android 5.1, for iOS 10.0 or later Screen: 0.49 inch, 72x40 Organic Light Emitting Diode Charging Port: for Pogo Pin Sensor: Vibrating motor Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Black Material:Zinc Alloy Size:18mm<br><br>Package Contents: 1 x Smart Counter Ring 1 x Charging Case 1 x Charging Cable 1 x English Manual<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.