Features: Adopt RTL8763EWE chipset, 1.39" TFT-screen, 360x360 resolution, IP67 waterproof, effectively prevent from sweat and raining, no more worry about water in daily use. Support bluetooth-compatible BLE5.2 version, clear and smooth call function, making driving, cycling and other occasions more safer. Multiple sports modes, long stand-by, support multiple sporting modes and more comprehensive monitoring of movement data, 230mAh li-polymer battery, long stand-by. Excellent compatibility, compatible Android5.0 & iOS9.0 and Above system, convenient connection up to 15 days. Heart rate monitoring and sleep track, support calories, exercise heart rate track, heart rate detection, blood oxygen test, blood pressure detection and more to better understand your healthy conditions. Specifications: Model: ZL02Pro Waterproof: IP67 Material: plastic ABS+PC case+anti-static silicone strap Chipset: RTL8763EWE Resolution: 360x360 Screen Size: 1.39inch TFT screen Touch-panel: Full touches screen (full fit) Memory(ROM+RAM) : RAM:578KB External Memory: 128Mb G-Sensor: SC7A2O Bluetooth-compatible Version: BLE5.2 Mobile APP-GPS: Yes Heart rate sensor: HX3600 Vibrator: YES Battery Type: li-polymer battery Battery Capacity: 230mAh Charging: 2.5-3hrs Standby: 10-15 days Normal using: 5-7 days Compatibility: supports Android5.0 and above; iOS9.0 and above 3 sprots type: APP movement, bracelet movement, APP bracelet bidirectional linkages (APP synchronizes bracelet data) 123 types sprot model: walking, running, cycling, skipping rope, basketball, football, badminton, swimming, and more 8 types sprot date: Display data such as step count, exercise hour, GPS-exercise trajectories, calories, exercise heart rate track, mileage, etc. based-on the immobility of the exercise modes Color: Black, Blue, Pink, Gold(optional) Size: As Pictures Shown Note: More parameters please refer to pictures. Package includes: 1x ZL02Pro Smartwatch