Smartwatch with stainless steel bracelet and case. Diameter: 36.5 mm. Flat round hardened glass crystal Bezel with 60 zirconias in rail setting. Waterproof IP68. 1.04-inch round AMOLED touch screen (Full Touch) with 340 x 340 resolution. Processor/Chipset: Realtek RTL8773EWE-VP and HRS 3300 heart rate sensor (ARM Cortex-M0, 53 MHz). Compatible with Android 7.0 and iOS 12.0 or higher. Bluetooth BLE 5.3 with 4 dBi antenna gain. RAM Memory: 128 KB; Flash ROM: 128 MB; operating system: RT OS. Battery capacity: 130 mAh, 3.8 V lithium / 4 grams, rechargeable with magnetic cable (min. 5 V/1 A). Battery life: 3 days in operation and 5-7 days on standby. Functions: 6 faces + 2 always on, in black and white + 4 faces interchangeable from the TOUS WEAR APP, where you can personalize your avatar; hours, minutes, month, day, day of the week; daily activity with step counter, calories and distance (miles or km); multiple sports (walking, running, treadmill, hiking, cycling, cross trainer, jump rope, rowing, stationary bike, strength, tennis, basketball, badminton, table tennis, lazy car, baseball, rugby); heart rate, sleep monitoring, blood oxygen, ovarian function, relaxation; notifications (calls, WhatsApp, email, SMS, Facebook, Instagram); time, calendar, calculator, music and camera control, alarms. Bracelet measurements: 18 mm x 16 mm. Butterfly closure with pushers.