Portable Waterproof Speaker, Indoor/Outdoor Output power: 30W RMS for woofer, 10W RMS for Tweeter/ Frequency response: 65Hz 20kH Wireless Bluetooth Streaming Bluetooth 5.1 Ports: Type C USB charging, USB-A powerbank Controls: Power, Bluetooth, Play, Volume, Partyboost Battery type: Li-Ion Polymer 27Wh IP67 waterproof and dustproof Up to 20 hours of playtime Crank up the fun with PartyBoost for stereo sound Power up with the built-in powerbank 1-Year Manufacturers Limited Warranty