1.56 Inches AMOLED Display GPS Smartwatch with Wireless Calling Sleep Tracker 3ATM Waterproof-for Outdoor Sports Metal Case

1.56 Inches AMOLED Display GPS Smartwatch with Wireless Calling Sleep Tracker 3ATM Waterproof-for Outdoor Sports Metal Case. Specification: Screen. 56inch Amoled 466x466 px. Battery: 650mAh. Standby time. About 30 days. Charging Method. Magnetic charging. Material: Zinc alloy middle frame + Plastic back case(PC Material)+ Rubber strap. Waterproof. APP name. DaFit. G-sensor. STK8321. Features: Touchscreen. Features: App Control. Features: Led Flashlight. Features: USB. Features: Cellular. Features: SIM Card. Features: SDK available. Features: Gps. Function: Sleep Tracker.