ltem description from the seller
High-concerned chemical:None;
Input/Output:USB;
Battery Capacity[mAh]:1200mAh-2000mAh;
Sound Mode:Standard Mode;
Category:Speakers;
Use:Home;
Bluetooth Version:5.3;
Input Power(W):<25 W;
Voice Control:No;
Waterproof:Yes;
Support APP:No;
Playback Function:MP3;
Inbox adaptor:No;
Intelligent Personal Assistant:None;
Audio Crossover:Full-Range;
Number of Loudspeaker Enclosure:1;
Channels:2 (2.0);
Battery:Yes;
Communication:Induction;
Speaker Type:Portable;
Cabinet Material:Plastic;
Power Source:Battery,USB;
Origin:Mainland China;
Support Memory Card:Yes;
Certification:CE,FCC,RoHS,KC;
name:portable speakers;
Bluetooth speaker distance:≤15m;
speakers Water resistance:Ipx6;