The ultimate easy to use golf speaker. Portable bluetooth golf cart speakers that instantly sticks to a golf cart and other metal surfaces. This rugged iPX7 Waterproof & Dustproof wireless portable speaker is perfect to take on and off the course. The G-ROK will provide you with 24-hour battery life, 30 Foot range of wireless quality sound, and one heck of a powerful magnetic hold to your golf cart. This speaker is a must-have for all golfers!