Specifications:This wireless speaker uses the latest bluetooth-compatible version 5.0.After the first pairing, you can connect it to any bluetooth-compatible device within 1 second to emit continuous sound in any situation, and ensure stable transmission so that you can enjoy the joyous gathering of music in any corner.With excellent RGB lighting effects, the colors of the lights will flash alternately, allowing you to enjoy a more immersive and colorful party experience.Using high-performance processor, high-bass separation technology and equipped with a 4-inch full-range driver and 5-inch passive radiator, it can provide heavy bass and clearer treble, just like participating in a live concert.Even at the maximum volume, the sound quality of this speaker will not be distorted, allowing you to enjoy a perfect listening experience.Item Name: bluetooth-compatible SpeakerBluetooth Version: 5.0Battery: 500MA(Included)Charging Time: 1.5 HoursCharging Input/Power Supply: 2APlaying Time: 2-3 HoursSD Card Maximum Capacity: 128GMaximum Capacity of Flash Memory USB Input: 128GS/N Ratio: 90dbFrequency Response: 80HZ-20KHZSensitivity: More than and Equal to 65dBTotal Output Power: 3WImpedance: 3ohmFrequency Response: 80HZ-20KHZMaterial: ABSFeatures: bluetooth-compatible 5.0, RGB Lighting Effect, Stable Transmission, Good Sound QualitySize: 111mm x 93mm x 101mm/4.37" x 3.66" x 3.98" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x bluetooth-compatible Speaker1 x USB Charging Cable1 x User Manual