Bone Conduction Sleep Bluetooth Speaker Ultrasonic Sleep Aid High-quality Sound Sleep Aid Under-pillow Bluetooth Speaker

Voltage range : Low voltage non-USB (below 75V DC, below 50V AC) High-concerned chemical : None Input/Output : AUX Sound Mode : Hi-Res Sound Mode,3D Surround Sound Mode,Immersive Sound Mode,Stereo Sound Mode,Smart Sound Mode,Live Sound Mode,Extra Bass Mode,Standard Mode Category : Speakers Use : Home Sabwoofer cabinet material : Metal Input Power(W) : <25 W Voice Control : No Waterproof : No Support APP : No Inbox adaptor : NO Intelligent Personal Assistant : NONE Audio Crossover : Full-Range Number of Loudspeaker Enclosure : 1 Power Source : Battery,USB PMPO : 25 Channels : 3 (2.1) Battery : Yes Communication : Bluetooth Speaker Type : Portable Cabinet Material : Plastic Power Source : None Label:Yes