EASY TO USE: Our golf speaker provides amazing sound and directional audio control through your phone. No complicated clamps or straps that break and get lost. LONG-RANGE: Wireless range of up to 30 feet. NO APP NEEDED: The G-ROK works with any Android or iOS music player. STEREO SOUND: Double-up with a second G-ROK for the ultimate stereo experience. WORKS WITH ANY WIRELESS DEVICE: Connect G-ROK golf cart speakers to your TV, phone, tablet, or any Bluetooth device. SMART PLAYER: Plays while charging and turns off after 15 minutes of inactivity to save battery. STRONG MAGNETIC HOLD: Each G-ROK golf cart speaker has 2x 31.75mm x 6.35mm (1.25” x .25”) N52 Neodymium Magnets that are rated at 38lbs. of pull. COMPACT & LIGHTWEIGHT: The G-ROK speaker weighs just 502 grams (17.7oz), with total dimensions of just 78mm x 44mm x 165mm (3.07" x 1.73" x 6.5"). OPTIONAL SD CARD PORT: Play music with or without a phone