Stay Connected Anytime — Make and receive Bluetooth calls directly on your smartwatch. Receive SMS and app notifications (Facebook, WhatsApp, Twitter, and more) so you never miss important updates. 100+ Sport Modes — Supports over 100 exercise modes including running, cycling, swimming, and more. Track calories, steps, distance, and workout time. Hands-Free Calling — Built-in microphone and HD speaker let you talk hands-free, perfect for driving or multitasking. No removable or button-type battery included. Smart Watch for Men with Bluetooth Call, 1.83" HD Touchscreen