Key Features:Using low-power wearable chip nRF52832 platform, it can be compatible with Apple and Android systems. 1.05 inch half-reverse and low-power round screen, the screen saves long light, long standby.The watch has a built-in GPS module that receives satellite GPS signals and records the real-time location.Professional level static + exercise heart rate monitoring, keep abreast of your own body changes.Professional grade IP68 waterproof design.Manufacturer Specifications:General Item type: Smartwatch Hardware platform:nRF52832LCD specs:1.05inch half transparent and half reflecting mirror, low power consumption black and white round screenTouch screen:Capacitive touch screenBattery :400MAH polymer batteryAccelerator:Step analyse, Sedentary reminder,Sleep monitoranti-lost, Remote camera, Heart rateVibration:Motor 0827Side button:Turn up/down; Ok buttonMemory:64KB+512KBResolution:128*128Bluetooth:BT4.0LEPackage Include:1 * Smartwatch1 * Use Manual1 * Charger CableNote:The colors deviation might differ due to different monitor settings.We provide you with the best product and service, if you have any problem, please let us know, and we will solve the problem ASAP. Thank you so much.