Overview The M-241 is a high performance wireless GPS logger with the following features: 1. Dual interface (Bluetooth + GPS-mouse by USB cable). 2. Compatible with Bluetooth Serial Port Profile (SPP) completely. 3. Powered by one AA battery. 4. LCD display (32mm L x 8.9mm W) to show position information, speed, capable logging memory size, date & time. 5. Capable memory size to r