New Mini Portable Car Audio A9 Dazzling Crack LED Wireless Bluetooth 4.1 Subwoofer Speaker TF Card

Voltage range : USB (5-20V DC) High-concerned chemical : None Input/Output : TF Sound Mode : Stereo Sound Mode Category : Speakers Use : Home Input Power(W) : <25 W Voice Control : No Display Screen : No Waterproof : No Support APP : No Material : Paper Inbox adaptor : Yes Intelligent Personal Assistant : NONE Built-in Microphone : No Audio Crossover : Full-Range Number of Loudspeaker Enclosure : 1 Power Source : Battery,USB Channels : 2 (2.0) Battery : Yes Communication : Induction Speaker Type : Portable Cabinet Material : Plastic Power Source : USB Support Memory Card : Yes Features: Specification: Speaker type: portable Bluetooth speaker Adjustment method:button Effective power:3w Speaker unit:A45MM Signal to noise ratio:>80DB Distortion rate:<0.5%(1KHz) Frequency:90HZ-20KHz Audio interface:3.5MM Impedance:4Q Playback time:1Hours Speaker size:50*60mm Notice: Label:Yes