Kit includes 2 wrist straps - small/large. Live life. Log it. Moving is living. Let Smart Band Talk SWR30 tell you how you live and move. It detects when you've been running or walking, or even when you've been sleeping. Measure your activity. You can view your movements and progress in the Smart Band Talk SWR30 E Ink display. Learn how you live, and live better. Easy style change Smart Band Talk SWR30 is an innovative life-logging activity wristband with exchangeable wrist straps.