2.7 ounces or only 76 grams, the Garmin Forerunner 305 GPS receiver is one light companion. It is a portable navigator which will lead you to wherever you are headed.
Built for extreme sports, the watch-like GPS receiver also comes with a heart-rate monitor. It can be used for a multitude of sports such as cycling, cross-country skiing and even windsurfing! It provides athletes like yourself, data of precise speeds, distance and pacing. The sleek GPS can be worn like a stylish sports watch and specifically designed to meet the needs of athletes. Water-proof in one meter of water, you can take it swimming as well!
Garmin Forerunner 305 GPS Receiver with a chest strap.
The digitally coded heart-rate monitor is worn as a chest strap and sends data directly to the device to let you know if you are training to little, or too much. With the advanced SiRF chip, the 305 is redesigned to provide real-time data to athletes and aside from that, transmit vastly more accurate satellite acquisition times.
Its lithium ion batter will last up to 10 hours and you can follow up by charging it with a USB cable. Neat and sleek, this watch is a compact wonder.