Bluetooth Audio Dazzling LED Intelligent Stereo Surround Sound Multi-function Playback HIFI Sound Quality Machine Series Technology Feature: Product type:Bluetooth speaker Material: ABS Product colour:Black Packing size:13x9x9cm/5.1x3.5x3.5in Gross weight: 364g/0.8lb Output power :10W2 Signal-to-noise : 75dB Effective distance:10m Frequency response range:100Hz-20KHz Power input:5V Extended storage:T-F 32G (not included) rating: IPX2 Battery capacity: 1200mAh Bluetooth version: 5.1 Description: F1200mAh batteryThe built-in large capacity battery has strong battery life, It can be used unplugged ,which can play music for up to 7.5 hours. Full frequency omnidirectional stereo horn10W high-power double-unit treble pronunciation system, full frequency stereo horn, surround sound restoration, thick and powerful, medium and high sound quality and clear, strong penetration. most devices in the marketWidely compatible does not pick devices, support wired/wireless Bluetooth connection two ways, Support most mainstream karaoke software, let you enjoy. Antimagnetic design is not affected by currentTo overcome the constant current noise problem, the use of antimagnetic core piece, double magnetic circuit design, positive and negative electromagnetic offset, 360 degree all-round antimagnetic, no longer worry about the interference brought by mobile phones and computers. multi-functional characteristics1200 mAh battery, LED actional lighting,Bluetooth wireless playback, USB flash drive playback, card playback, radio function, audio cable playback,support external 3.5mm terminal all audio input, mobile phone support. Package Included: 1Bluetooth speaker 1Charging line