Sleek I-Control features: Wireless control of primary iPod functions: play/pause, track forward/reverse, and volume Full function Ironman 50 lap 50-lap memory recall 2 interval timers setable for up to 24 hours for speed and endurance training Automatic interval repetition counter 3 customizable alarms 2 time zones for travel conveniences INDIGLO night-light Sleek design for both male/female wrists 100m water-resistance, not waterproof. Not suitable for use when swimming