Features: Calling band features a 1.47" screen with dynamic heart rate monitoring, SpO2 trackings, and Bluetooth-compatible 5.2 connection for clear calls, supporting 100+ sports mode and up to 7day battery durations for continuous health insight. Engineered with touching technology, 5 magnets speakers design, this fitness trackers delivers precise activity metric, menstrual cycle prediction, music control via Bluetooth-compatible, and customizable watch face (5 builtin + 1 downloadable) for unique style. Suitable for health users and active professionals, it seamlessly integrates workout trackings (step, calories, distance) with daily productivity through call management, message alerts, and shake to capture camera functionality. Stay connection during workouts, commutes, or offices hours with its 30 call history storage, and features like sedentary reminders, sleep analysis, and phone finding via wrist gestures. Optimizes wellness routines with advanced metric 450 cycle cobalts battery durability, 25 day standbys time, 8 message storage, and adjustable brightness for outdoor visibilities, all packed in a lightweight ABS Bluetooth-compatible band. Specifications: Material: ABS Screen size 1.47inch Display screen resolution 172X320 Bluetooth-compatible version BLE5.2 Battery capacity 250mAh Charging time 2 hours Usage durations 5-7 days Standbys time 25-30 days Sports Mode 100+Sports Mode Waterproof:Yes Color:Black,Blue,Pink Package Includes: 1Piece Watch 1Piece Data Cable 1Piece Manual note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.