Universal Golf GPS Solar Charger. Never run out of power on the course! Self-charges in UV light (both indoors & outdoors) Provides instant back-up power when needed, Perfect for emergencies Easily portable. Fits right in your pocket!Compact size: 3.75 inch × 1.625 inch × .375 inch Included:4 piece adaptor set. Compatible with most:Mobile phonesDigital camerasMP3 playersOther USB charging electronics Carabiner conveniently clips onto your golf bag.