LD-3W Wireless Bluetooth GPS Module connects wirelessly to a compatible phone, PC, or PDA using Bluetooth wireless technology. The Nokia Wireless GPS Module LD-3W, a compatible mobile phone and a third-party location-based applications will help you find where you are - and what else is there too. e.g. hotels, restaurants or tourist attractions. You will be going by and be guided by map or voice instructions, depending on the application used. It is compatibility with a wide range of applications available from third parties, including Wayfinder Navigator, ROUTE 66 Mobile, ADnota album, and Genimap WeatherGuide. Small and lightweight Uses Nokia battery and chargers LEDs indicate power, Bluetooth wireless connection, and GPS status Compatible with a number of location-based applications and services Minimum operating time 15h, standby time up to 7 days