The Awei Y669 31W Waterproof Portable Bluetooth Speakerfeatures Bluetooth 5.0+EDR technology. It provides robust, low-latency wireless connections and supports both Bluetooth and AUX play modes, allowing for versatile use across a variety of devices. This Awei Y669 Bluetooth Speaker has an output power of 31W and features a unique 2.1 configuration with two 8W mid-high frequency drivers and one 15W low-frequency speaker, providing deep bass, crisp highs, and a balanced stereo experience that matches the rich sound of premium brands. It is designed with a TWS twin machine interface and may be paired with another unit to provide immersive surround sound. The Awei Y669 Portable Bluetooth Speaker has an IPX7 waterproof rating, making it suitable for outdoor use, poolside parties, or rainy day activities. It is enclosed in a sturdy aluminum metal cabinet and comes in black, camouflage, and blue to suit various tastes. The built-in 2200mAh 7.4V battery supports up to 12 hours of continuous playback and recharges in about 4 hours, allowing the Awei Y669 Bluetooth Speaker to perform all day on a single charge. With a full-range frequency response of 100 Hz to 20 kHz and a horn-type tweeter, it produces detailed sounds in all genres. Despite its tremendous sound, it is tiny and portable, with a single loudspeaker enclosure and a transmission line acoustic design. The Awei Y669 Portable Bluetooth Speaker includes a built-in microphone for hands-free calls, memory card support, and video playback capabilities. It also features a 3.5mm AUX input for wired connections. With a rated output of 5W under certain conditions, sophisticated crossover circuitry, and bass stereo performance, the Awei Y669 31W Waterproof Portable Bluetooth Speaker is ideal for users looking for powerful audio in a waterproof, wireless package.