Includes USB cable and software for windows ( 98se, me, 2000, 2003 and xp). It takes a special watch to whip your schedule into shape. It's a sport watch that thinks it's a PDA. The Ironman* Data Link® USB USB system is a powerful yet easy to use sport watch and a personal organizer When connected to a PC through the USB link, all settings, functions and options can be set through simple-to-use free PC software, and workout data can be uploaded to the PC The sport features include a 200 lap chronograph with multisession memory and display flipping for easy viewing up to 200 countdown timers with messages and an optional halfway alert a linked interval timer for up to 200 reps an event counter up to 200 alarms with 5 minute back-up alarm a synchronized timer to time events that have run and stopped time The personal organizer functions include a schedule mode, holds hundreds of phone numbers, up to 200 appointments, up to 200 occasions, up to 200 contacts and multiple notes of up to 100 characters The PC software and USB connection allow the user to customize the watch features turning off unwanted modes, re-ordering modes so the most frequently used modes come up first, selecting custom alarms and melodies, and Custom Wrist Applications Demo mode 3 time zones 12/24 hour time month/day/date day of week, year, leap year smart INDIGLO® night-light with NIGHT-MODE® feature Water resistant to 100 meters All-day white reflector display Matte resin with metallic top ring Silver round resin case with integrated USB port Black FAST WRAP Velcro strap with a breathable, moisture-wicking, lightweight, durable Tactel fabric by Dupont