cloth portable speaker bluetooth speaker wireless v4.0 bluetooth smart portable speaker for iphone xs max for samsung note9 speakers

support app: no support apt-x: no support memory card: no intelligent personal assistant: none remote control: no material: plastic playback function: mp3 channels: 2 (2.0) audio crossover: full-range model number: rb-m15 display screen: no communication: bluetooth speaker type: portable frequency range: 55hz-20khz display screen: no voice control: no battery: yes cabinet material: plastic waterproof: no number of loudspeaker enclosure: 1 output power: 3w power source: battery pmpo: 3w feature: