Designed with athlete insights and technology innovations, the product can be worn securely on the arm or around the waist. The five-key remote control waist belt provides the user with an easy to operate interface, secure fit and comfort on the move. PSA250 Features Wearable Designed with athlete insights and technology innovations the product can be worn securely on the arm. Includes remote control waist belt. Skip free audio Pure solid-state means no moving parts for 100% skip free sport audio. Digital FM Radio Automatic tuning with 10 station presets onboard, you'll never run out of new music to inspire your daily workouts Stopwatch Essential for walk/run training programs, the stop watch can be used to increase your performance Illumination technology State-of-the-art illumination technology strobe light that enhances being seen in low light conditions. Sport tested durable The product's design is compact and features a soft touch keypad, co-molded rubber and high-impact plastic housing and electro-plated shell for sport-tested protection and durability 512MB built-in memory 16 hours of WMA or 8 hours of MP3 music Playback Formats Plays mp3, Windows media formatted content and future formats Audio manager software included Musicmatch Jukebox and Digital Media Manager Graphical Backlit LCD Display Displays track number, title, artist, time, genre, battery level, stopwatch time, FM frequency and preset station Other Features Backlit LCD display 4 EQ presets and Dynamic Bass Boost 12 hours of playback time PSA250 Specifications Power Supply Battery: rechargeable Li-Ion battery Battery charging time: 1 hour rapid (4 hours full) Automatic power switch-off Amplifer/System Output power (rms): 2 x 5mW Digital volume control S/N Ratio (A weighted): >80db Frequency response: 20 Hz - 20 kHz FM frequency range: 87.5 - 108 MHz Connections Headphone/line out: stereo, 3.5mm I/O interface: 5 pin USB jack Measurements Dimensions: 9.8" W x 4.9" H x 9.8" D Weight: 2.5 oz. PSA250 System Requirements PC 300MHz processor or better Windows 98 SE, 2000, ME, XP USB port CD-ROM drive 256MB of RAM 1GB hard drive capacity PSA250 Supplied Accessories Sports headphones Waist belt remote control Sport armband USB cable CD-ROM AC/DC Adapter/Charger Manual Shipping Weight: 3 lb