IZZO Golf Sun Spot Universal Golf GPS Solar Charger Solar power for power on the go Compatible with most golf GPS units, cell phones, digital cameras, MP3 players, and other USB charging electronics Self-charges in UV light (both indoors and outdoors) Includes 4 piece adaptor set and carabiner for clipping conveniently onto your golf bag Compact size is easily portable; 3.75 by 1.625 by .375 inches