Power Source:Battery Support Apt-x:No Support APP:No Battery:Yes, 3.7V 3600mAh Number of Loudspeaker Enclosure:1 Woofer Size/Full-Range Size:2" Set Type:Speaker Feature:Wireless Charger for Mobile Phone, Video Call, Play Video, LED Flashing light Material:Plastic Waterproof:No Communication:AUX, usb, wifi PMPO:20W Support Memory Card:Yes Speaker Type:PORTABLE Output Power:20W Remote Control:No Cabinet Material:Plastic Display Screen:No Intelligent Personal Assistant:None Voice Control:No Built-in Microphone:Yes Name:EROM Model Number:DB16 Type:Active Use:HOME THEATRE, Portable Audio Player, Mobile Phone, Karaoke Player, COMPUTER, Stage, Outdoor, Party Channels:2 (2.0) Special Feature:Wireless, PORTABLE, Mini Place of Origin:Guangdong, China LED Lighting:single color Speaker Driver:4 10W*2 52mm Play Time:10H Charging Time:4H Input/Output:DC 5V 1A / DC 3.7V 20W Product Color:Black, Grey Chip:JL5.0 Product Material:ABS+silica gel+Fabric Surface Shape:cuboid Accessories:type c Charging line /Product specification/AUX audio cable