The Green Lion Chrono Pro Smart Watch is a stylish device with a great blend of functionality that is very impressive. Its 1.6" AMOLED display with a spectacular 480x480 resolution and 1000nits brightness can be seen clearly even in direct sunlight. With a powerful 360mAh battery, the watch can be used for 5-7 days or be on standby for up to 25 days. Bluetooth BLE 5.3 and BT 3.0 allow high-fidelity BT calling to be carried out and TWS functionality to be used for the ultimate audio experience. The watch case is made from robust zinc alloy, and the embedded G-Sensor (SC7A20TR) guarantees the exact recording of physical activities. Other functions are continuous heart rate monitoring, magnetic pin charging, and IP68 water-resistant which make the watch last longer. With its elegant design and extensive features, the Chrono Pro Smart Watch is an ideal gadget for anyone who loves technology. Specification Display: 1.6" AMOLED Resolution: 480×480 Bluetooth: BLE 5.3 + BT 3.0 Battery Capacity: 360mAh Watch Case: Zinc Alloy Brightness: 1000nit G-Sensor: SC7A20TR Charging Time: <3 Hours RAM + ROM: 960KB + 64Mb pRAM + 1Gb Charging Method: Magnetic Pin Charging Working Time: 5-7 Days Standby Time: 25 Days Water Resistance: IP68 SKU: GNCRNPSWBK | GNCRNPSWSL GTIN: 9904907097150 | 0990478132788 Features AMOLED Display High-Fidelity BT Calling TWS Function Video Watch Face 1.6" Large Display Heart Rate IP68 Waterproof