PREMIUM SOUND: 30W of balanced audio, 20W subwoofer for powerful bass + dual passive radiators, 10W tweeter EXTRA-STRENGTH HOLD: With 49lb of magnetic force ULTIMATE SURROUND SOUND: Easily pair up to 100 speakers together WATERPROOF: iPX7 Water & Dustproof with seal closed CAN CHARGE PHONE: 7500mAH battery will charge your phone or device *Music will not play while charging devices Introducing Rokform's advanced Bluetooth golf speaker, delivering 30 watts of crystal-clear sound. A 20W subwoofer and dual passive radiators ensure deep bass, while a 10W tweeter provides sparkling highs. With enhanced magnets, it boasts over 123% stronger hold than previous models, keeping it secure on the course. Enjoy up to 24 hours of playtime, enough for several rounds of golf. Its IP67 rating ensures waterproof and dustproof durability, and fast USB-C charging allows for quick recharging. Bluetooth V5.2 and LE Audio enable pairing with up to 100 speakers for shared listening experiences. An SD card slot lets you enjoy personal playlists without a phone or Bluetooth connection.