The Green Lion Ultimate 41 Smart Watch is created to make sure you are always connected and have control over your health. It has a 1.75" IPS display with a resolution of 240 x 296 that is very bright and clear, and users can see their apps and notifications. The watch runs on a 200mAh battery that is good for about 3-5 days, so the user does not have to worry about constantly charging it during busy days. The watch pairs with your mobile via Bluetooth V5.4, which allows for great Bluetooth voices through your wrist with no distortion on the calls. Watch's good health monitoring, sleep tracking, and wellness insights features help you in keeping a close eye on your physical health. The watch is also equipped with gesture operation and a dynamic island interface that makes interaction more natural. Besides, the 3D animated interface and multi-sport tracking modes make it a great user for both fitness and daily life. The Ultimate 41 is an attractive and practical smart accessory that encompasses all you need. Specification Case Material: Zinc Alloy Display: 1.75" IPS Resolution: 240 × 296 Bluetooth: V5.4 Battery Capacity: 200mAh RAM + ROM: 256KB + 16MB Working Time: 3-5 Days Frequency : 140MHZ Charging Time : 3 Hours Waterproof Rating : IP65 Charging Method : Wireless Compatibility : Android 5.0 or Later, iOS 9.0 or Later SKU: GNULTMTSM41BK | GNULTMTSM41GD | GNULTMTSM41SL GTIN: 9904907124870 | 9904907124948 | 9904907125006 Features Smart Health Tracking Dynamic Island Bluetooth Calling Gesture Operation Wide-View Display Sleep Tracking Crystal Clear Calls on Your Wrist 3D Animated Interface Wellness Insights Multi-Sport Tracking Modes Zinc-Alloy Shell Case IP65 Water-Resistant 10 Days Standby Time