Everlast TR5 - Wireless Fitness Activity Tracker + Sleep Wristband With LED Display - Black Accurate Pedometer with Goals. Tracks steps, distance, calories burned and Quality of Sleep Sleep Monitor. Time Display (12/24 Hour). Imperial or metric Measurement Options 1 Year Memory On Tracker (APP Can Store Additional) &gt; Rechargeable Battery &gt; Wireless Connectivity to Free Tracker APP Free App For Smartphones, Compatible with iOS and Android 4.3+