Put the music in your pocket. Anytime,anywhere can listen to the concert,easy to enjoy the music. Communication : Audio Line Battery : Yes Speaker Type : Portable Power Source : DC Number of Loudspeaker Enclosure : 1 Certification : None Cabinet Material : Metal Audio Crossover : Full-Range Channels : 1 Origin : CN(Origin) Input Power(W) : <25 W Intelligent Personal Assistant : None Tweeter material : Other Bluetooth Version : 4.1 Active Noise-Cancellation : Active Woofer/Widerange material : Other Acoustic enclosure : Other Remote Control : No Codecs : AAC Support Memory Card : No Display Screen : No Voice Control : No Sabwoofer cabinet material : plastic Total Harmonic Distortion : 0% Material : plastic Support Apt-x : No Wi-Fi Music : Spotify Display Screen : No Waterproof : No Mid-range material : Other Built-in Microphone : Yes PMPO : 2W Control : Volume control Support APP : No Impedance : 4-6 Ohm Feature : None Tweeter type : HORN Model Number : Speakers Frequency Range : 60Hz-23KHz Feature 1 : bluetooth speaker Feature 2 : sound box Feature 3 : speaker wireless Feature 4 : speaker Feature 5 : Male, female, boy, girl,man, woman Feature 6 : Stereo Feature 7 : bass Support audio input : U disk, TF card, Bluetooth Version : 4.1 Frequency Range : 60Hz-23KHz