Features: 100% brand new and high quality 600 mAh battery, strong battery life, you can also control your cell phone music playing or stop by the smart watch. Bluetooth-compatible call smartwatch, you will not miss important phone call while doing sports or driving. Health management, 24h heart rate/blood oxygen/blood pressure/sleep monitor and sedentary reminder. Powerful and practical network functions, support theme changing, APP download, etc. Waterproof, mildew proof, healthy material, multifunction, there're nearly 100 functions, very practical. Package Includes: 1x Smartwatch 1x Charging Wire 1x Manual 1x Packaging Box Specifications: Material: Metal Size: Approx. 55.6x54.1x18.3 mm/2.19x2.13x0.72 in Color: Black/White Compatible System: Compatible with Android/iOS Interface: USB 2.0 RAM: 32M Battery Capacity: 600 mAh Operation Method: Touch Screen/Key Pressing Charging Method: Magnetic Charge BT Version: BT3.0/4.0 Package Include: 1x Smartwatch, 1x Charging Wire, 1x Manual, 1x Packaging Box note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.