B08CDZ3JK3 Docooler DM100 4G Smart Watch Sports WiFi GPS BT Smartwatch 2.86 Inch Touch Screen 16GB/32GB Music Player Phone Call 5MP Camera IP67 Waterproof Multifunction

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OS & Configuration: Runs on Android 7.1 OS, powered by high-performance MTK6739 Quad-core CPU. 1GB RAM+16GB ROM (or 3GB RAM+32GB ROM Optional) ultimately deliver a richer using experience.
Built-in Nano SIM Slot: Supports independent 4G call function. Just plug in your Nano SIM card to make a call directly, no need to carry your mobile phone when exercising.
Pedometer & Heart Rate Monitoring: Intelligently calculate your motion steps and distance, taking care of your health. Supports recording your heart rate to keep abreast of your physical condition.
Larger HD Screen: 2.86-inch round touchscreen with a resolution of up to 640*480p, the picture is smooth and clear, stylish and cool without losing vitality.
More Convenience: Supports BT, GPS navigation and WiFi. Built-in big speakers, you can enjoy music whenever and wherever you want. 5MP HD camera records every good moment.