Hign-concerned Chemical:None Input/Output:TF Battery Capacity[mAh]:750mAh Number of devices connectable simultaneously:1 Maximum wireless range[m]:Less than 10m Sound Mode:Hi-Res Sound Mode Category:Speakers Use:Camping Bluetooth Version:5.3 Input Power(W):200-299W Active Noise-Cancellation:Passive with active sabwoofer Wi-Fi Music:for Music Voice Control:No Waterproof:Yes Support APP:No Playback Function:Radio,mp3 Inbox adaptor:No Intelligent Personal Assistant:None Audio Crossover:Full-Range Number of Loudspeaker Enclosure:1 Power Source:DC Channels:2 (2.0) Feature:None,Phone Function,Play Video Battery:Yes Communication:AUX,Bluetooth Speaker Type:Portable Cabinet Material:Plastic Power Source:Battery Support Memory Card:Yes Control type:Playback Color: Black Material: ABS Package Contents: 1 * Bluetooth speaker 1 * Stand 1 * Charging cable 1 * Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.