Advanced Bluetooth 5.0 TechnologyBluetooth 5.0 technology provides greater wireless range and faster bluetooth connection, never worry about sudden bluetooth disconnection while using! Have a wireless connection range of 65ft, creating a fast and stable signal transmission. The built-in bluetooth amplifier with true wireless stereo features. Connects easily with the Smartphone, Cellphone, Laptop, computer and other bluetooth devices. Premium Sound PerformanceMax 400w output power and the latest state-of-the-art 2 drivers (Tweeter: 1.0'' PET Dome Woofer: 6.5'' Injection Molded PP Cone Buty Rubber Surround) producing punchy and deep bass. With our outdoor speakers bluetooth, you' ll feel as if you' re at a live concert, with clear high notes, deep bass and true HD sound. All-Weather Performance for Great DurabilityThe Strong Waterproof Indoor/Outdoor Bluetooth Speaker is not only Sturdy, Dustproof, Sandproof and Shockproof but also suitable for all seas