Looking a little like the old U2 iPods, XGPS150 is a rounded square box measuring roughly 2.2” wide and tall, bulging at its center from 0.5” to 0.75” in thickness. Lightweight and made primarily from matte black plastic, the unit’s face is dominated by a red swirled metal circle with four icons or words at its cardinal positions: north is Bluetooth, west is a battery indicator, east is a GPS signal indicator, and south is…