Golf GPS: Precise Golf GPS device with an integrated Bluetooth Speaker. Preloaded with 38,000+ global course maps; no subscription or download fees. Bluetooth Speaker: Pair your phone to the speaker and stream music. GPS and Speaker functions can be independently powered. Distances: Get distances to the Front/Center/Back of greens; also provides both layup/carry distances to hazards and doglegs. Auto course recognition at power-up; Auto hole-advance on the course. Integrated Magnet: Built in magnets allow you to securely mount the unit to the frame of your golf cart during play; Rechargeable lithium-ion battery can last up 16 hours on single charge. Also includes digital scorekeeper and shot distance calculator.