Bezel with black cubic zirconias in rail setting. Compatibility: Android 7.0 and iOS 12.0 or higher. Touchscreen measuring 1.09 inches (Full Touch). Operating system: RT OS. Connectivity: Bluetooth version: BT 5.0. RAM memory: SRAM M4, 128 Mb Flash ROM. Battery: 180 mAh, 3.7V Lithium rechargeable with magnetic cable, 5 days in operation and 10 on standby. Chipset/CPU: Realtek RTL8762C-VD - ARM Cortex-M0 - 53MHz speed. IP68 Waterproof. Functions: 12 TOUS dials, with an interchangeable dial from the TOUS WEAR APP, hours, minutes, seconds, month, day, day of the week, daily activity with step counter, calorie counter, distance traveled in miles or kilometers, sports (walking, running, climbing, cycling, treadmill, elliptical, rowing machine, hiit, yoga, fitness, tennis and jump rope), vibration alarm clock, heart rate, sleep monitoring, weather information, 1/100 second stopwatch, 3 games and notifications (calls, WhatsApp, email, SMS, Facebook, etc.) music control, photo control, relaxation, and ovarian function. Fold-out closure with pushers.