The ultimate easy to use golf speaker. A portable wireless golf speaker that instantly sticks to 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 a 24-hour battery life, 30 Foot range of wireless quality sound and one heck of a powerful magnetic hold to your cart. This speaker is a must-have for all golfers! Easy to use Magnetic Mounting iPX7 waterproof and dustproof Rugged drop resistant construction (5 ft) 24 hours of play time Built-in speaker phone Wireless up to 30 ft Optional Micro SD Card stores up to 5,000 songs