TOUS B-Connect smartwatch with double interchangeable strap and black IP case. Nylon strap with logo rapport in fuchsia on black background and green silicone strap with fuchsia-colored placed logo. OS compatibility: Android 5.0 and iOS 10.0 or higher. Display / LCD: touchscreen 1.40 inches TFT-DLC in color (Full Touch). Connectivity: Bluetooth version: BLE 5.0. RAM memory: 64 Mbit SPI Flash. Battery: 180 mAh, 3.7 V lithium-ion/3.3g rechargeable battery, rechargeable with magnetic cable, 6 days in operation and 12 on standby. Chipset: Realtek RTL8762CK and Heart Rate: HRS 3313. Waterproof: IP68. Functions: 7 TOUS dials and one interchangeable dial from the TOUS WEAR APP, hours, minutes, month, day, day of week, step counter, calorie counter, distance traveled in miles or kilometers, heart rate, sports activity (running and walking), 1/10 seconds stopwatch, 3 vibrating alarms and notifications. Buckle closure.