Seamless connection: Experience crystal-clear Bluetooth calls right from your wrist. The MX11 smartwatch features dual Bluetooth 5.0 and 3.0, powered by Zhongke Lanxun AB5376A2, ensuring stable and efficient connections. Stay connected on the go without having to reach for your phone, making communication easy and convenient. Compatible with Android 5.1+, Apple 8.0+ and later, and Apple 5S and later. Comprehensive Fitness Tracking: Monitor your fitness journey with precision using MX11's advanced tracking features. It accurately tracks steps, calories burned, and distance traveled. Explore different sports modes, including cycling, swimming, running, rock climbing, and brisk walking. Keep detailed statistics on your health data and track your progress towards a healthier lifestyle. The running track feature provides detailed insight into your outdoor workouts. Long-lasting battery: Enjoy extended use with the MX11's efficient energy management. The 230mA polymer lithium battery provides 3-5 days of typical use and up to 30 days of standby time. Stay powered all day and beyond, whether you're tracking workouts, making calls, or just staying connected. Magnetic charging ensures quick and easy replenishment of power. Specifications: Color: Black Size: Length: 4.64cm, Width: 5.2cm, Height: 1.1cm Material: Metal + Electronic components Package includes: Smartwatch x1 Paper Box x1