Brand Name:Sada Communication:AUX Communication:Bluetooth Communication:USB Audio Crossover:Full-Range Display Screen:No Battery:No Built-in Microphone:No Number of Loudspeaker Enclosure:2 Speaker Type:Combination Cabinet Material:Wood Intelligent Personal Assistant:None Channels:3 (2.1) Power Source:DC Feature:None Support Apt-x:No Support Memory Card:Yes Playback Function:mp3 Model Number:SADA D-216 Output Power:3W Frequency Range:Other Display Screen:No Waterproof:No Material:Wood PMPO:10W Voice Control:No Remote Control:No Support APP:No