High-concerned chemical : None<br>Input/Output : AUX<br>Maximum wireless range[m] : <10m<br>Sound Mode : Stereo Sound Mode,Live Sound Mode<br>Category : Speakers<br>Use : Home<br>Bluetooth Version : 4.0<br>Input Power(W) : <25 W<br>Voice Control : No<br>Waterproof : No<br>Support APP : No<br>Material : Plastic<br>Playback Function : Radio,MP3<br>Inbox adaptor : Yes<br>Intelligent Personal Assistant : None<br>Audio Crossover : Full-Range<br>Number of Loudspeaker Enclosure : 1<br>Power Source : DC,USB<br>Channels : 2 (2.0)<br>Battery : Yes<br>Communication : USB,Bluetooth<br>Speaker Type : Portable<br>Cabinet Material : Plastic<br>Brand Name : QIQIZHU<br>Power Source : DC<br>Origin : Mainland China<br>Output Voltage : 15 W<br>Support Memory Card : Yes<br>Certification : CE<br>Feature 1 : Voice Amplifier<br>Feature 3 : Bluetooth Wireless Voice Amplifier<br>Feature 2 : Wireless Voice Amplifier<br>Feature 5 : Speaker For School Teaching<br>Feature 4 : FM Radio Megaphones<br>Feature 7 : Speaker For Yoga<br>Feature 6 : Speaker For Lecture<br>Feature 9 : Speaker For wedding<br>Feature 8 : Speaker For Tour Guide<br>Feature 10 : Speaker For meeting<br>