Used in great condition, comes in original box Seamless Connectivity - Bluetooth 5.0 and powerful call features keep you notified of incoming calls. Stay in touch with family and friends without using your hands Smartphone-free Music - Set your music free with 4 GB storage for all your favorite beats No Daily Charging, No Worries - A full charge provides up to 14 days of battery life. Up to 14 days for typical us, 5 days sleep blood oxygen monitoring, 25 hours continuous exercise with GPS A Breath of Fresh Air - Blood oxygen saturation is a core measure of your health and fitness. Get daytime spot checks and sleep monitoring with our sleep tracker with long-term tracking data to identify potential issues early on OnePlus, Smart Watch, Watch, OnePlus Watch, Sport Watch Included components: Watch, User Guide, Charging Dock, Fluoroelastomer strap, Safety Information and Warranty Display type: AMOLED System Requirements-Android 6.0 and above not support iOS