Rugged and durable design. Powerful 20W (RMS) Audio Output, with DSP (digital signal processor) for superior sound quality. High-performance 45mm x 2 speaker drivers with HyperBASS passive radiator. Bluetooth V5.0 stereo speaker system, with 10M (30 Ft.) wireless range. Hands-free function with Built-in Microphone. TWS (True Wireless Stereo) capable – works as a stereo pair with a 2nd speaker (same model). Micro-SD (TF) Card slot MP3 player. 3.5mm Stereo AUX-IN jack, for external device wired connection. Full-color RGB Dual speaker lighting with 9 lighting effects. IPX6 Water Proof rating: Protected against High-Pressure Jets. Compatible with Android, IOS & Windows Devices. Robust rubberized housing with twin metal grills. Wide Frequency Response: 60Hz – 20,000 Hz . USB Type-C Universal Charging Port . 8.5 hour Music playback time, 4 hour charging time. Rechargeable Lithium Battery: 7.4V, 2000mAh. Accessories included: AUX cable 3.5mm to 3.5mm stereo plugs, AIWA Braided Nylon USB Type-C Charging Cable with Leatherette Belt, wrist strap.