• Audio Output: 5W RMS with a 1.75-inch full-range driver. • Battery Life: Up to 20 hours of playback on a single charge (roughly 10–12 hours at higher volumes); charges via USB-C in about 4 hours. • Durability: IP67 water and dust resistance, plus a floatable design that allows it to float if dropped in water (submersible up to 3.3 ft for 30 minutes). • Connectivity: Bluetooth 5.4 with True Wireless Stereo (TWS) pairing to link two Select 4 Go speakers together. • App Support: Compatible with the Soundcore App for custom EQ settings and firmware updates. • Design & Size: Weighs 265 grams and measures roughly 121 x 83 x 48.5 mm, featuring an integrated attachment loop/strap.