Connected Watch -Smart Watch Heart Rate Monitor Fitness Tracker Wristband for S3 Black Highlights Generic Brand Smart Watch Heart Rate Monitor Fitness Tracker Wristband for S3 Black Description: IP67 Waterproof, Life Water (Do not put it in hot water, swimming or diving) Built-in 90mAh rechargeable lithium battery, standby time about 7 days Heart rate test: dynamic heart rate, support the highest/minimum heart rate alarm APP GPS trajectory: GPS track history, motion trajectory sharing (calories, time, distance, speed) Lift wrist light display. Vibration alarm clock. Remote photography. Remote control music. Compatible system: Bluetooth 4.0, for Android 4.3 and iOS 8.0 and above. More functions: call/SMS reminder, anti-lost reminder, alarm clock reminder, sedentary reminder, mobile phone search, remote control camera, remote control video, sleep monitor, 12/24 hour system, power display, date/week specification: Material: silicone Bluetooth version: BT4.0 (lower power) Screen: 0.96 inch display screen (Front: Full character display) Acceleration: 3-axis G-sensor Heart rate: Dynamic heart rate detection Motor: Built-in motor Waterproof: IP67 Battery: Built-in 90mAh charging battery Working time: 3-5 days Charging voltage: 5V Charging port: MicroUSB Size chart: Bare machine size: approx. 225x21x12mm/8.9x0.8x0.5inch Watch band length: approx. 225mm / 8.9inch Package includes: 1 piece smart watch 1 piece power wire 1 instruction book Note: All dimensions are measured by hand, there may be a little deviation. Color may vary slightly due to the color setting of each monitor. Thank you for understanding. Please enjoy your happy shopping time!