Meet Rokform's next-generation Bluetooth golf speaker. It gives you 30 watts of clear, powerful sound. A 20W subwoofer and dual passive radiators deliver the low end, while the 10W tweeter provides crisp, sparkling highs. You don't have to worry about your speaker falling or slipping while you're on the course. Thanks to new, more powerful magnets, our speaker has more than 100% more pull force than other leading competitors. 123% stronger hold than previous models. And with up to 24 hours of battery life, you don't have to worry about losing charge before you reach the 18th hole.  • Class-Leading Magnetic Hold: 10 rare earth magnets provide over 45 lbs. of pull force to hold fast over bumps and sharp turns.• Waterproof and Dustproof Durability: Our IPX7 rated golf cart Bluetooth speaker is waterproof and dustproof. You don't have to worry about rain, sand, or mud.• Up to 5 Rounds of Golf: Its powerful 7500mAh battery will play for up to 24 hours on a single charge. And our fast USB-C charging ensures a quick recharge. • Connect up to 100 Speakers: Bluetooth V5.2 and LE Audio let you pair up to 100 G-ROK PRO speakers. You can share your music with friends and spectators at larger events or tournaments.• SD Card Slot for Personal Playlists: You don't need a phone or Bluetooth connection to enjoy music on the course. Load your music on an SD card and slip it in the slot, then enjoy your personal playlist.