Brand Name : NoEnName_Null Communication : USB Communication : bluetooth Battery : Yes Speaker Type : Portable Power Source : Battery Power Source : USB Number of Loudspeaker Enclosure : 1 Certification : NONE Cabinet Material : Plastic Audio Crossover : Full-Range Channels : 2 (2.0) Origin : CN(Origin) Input Power(W) : <25 W Intelligent Personal Assistant : NONE Output Power : 5W Tweeter material : other Bluetooth Version : 5.0 Woofer/Widerange material : other Acoustic enclosure : other Remote Control : No Support Memory Card : Yes Playback Function : mp3 Display Screen : No Voice Control : No Sabwoofer cabinet material : Plastic Total Harmonic Distortion : 0.1% Material : Plastic Support Apt-x : No Wi-Fi Music : -- Sensivity : 75dB Display Screen : No Waterproof : No Mid-range material : other Built-in Microphone : No PMPO : 5W Support APP : No Impedance : other Feature : Play Video Model Number : K2 Speaker Frequency Range : 100Hz-20KHz Model Name : K2 Speaker keyword 1 : Bluetooth Speaker keyword 2 : Touch Sensor keyword 3 : Speakers keyword 4 : RGB Night Light keyword 5 : FM Radio keyword 6 : Support TF Card