Bluetooth 5.0 for streaming from compatible devices with built-in mic for hands-free calling with paired smartphone. IPX67-rated waterproof and 12 hours of battery life. Two midrange drivers and two tweeters. 36 watts RMS, 40 watts peak frequency response 50-20,000 Hz. Designed to attach to Jeep Wrangler or side-by-side UTV roll bars Four 14" adjustable straps with foam back to prevent scratches to vehicle and quick-release speaker straps