NO Communication: AUX, XLR, bluetooth, AES/EBU Input, Coaxial Input, RCA, usb, wifi, HDMI, NFC, Optical Input, RJ45, Audio Line PMPO: 3W Support Memory Card: Yes Speaker Type: OUTDOOR SPEAKER Output Power: 3W Remote Control: NO Cabinet Material: ABS silica gel cloth net hand rope Frequency Range: 100HZ-20KHZ Display Screen: NO Intelligent Personal Assistant: None Voice Control: NO Built-in Microphone: Yes Tweeter Size: 0.39"(10mm), 0.5", 0.6", 0.75", 0.79"(20mm), 0.8", 0.9", 0.95", 0.98"(25mm), 1", 1.02"(26mm), 1.1", 1.2", 1.25", 1.5", 2", 2.5", 3.5", 4.5", Horn Tweeter, Electrostatic Tweeter, Planar-magnetic Tweeter, RIBBON TWEETER Brand Name: ZR Model Number: AK115 Type: Passive Use: HOME THEATRE, Portable Audio Player, Mobile Phone, Karaoke Player, COMPUTER, Stage Channels: 5 (4.1) Special Feature: Wireless, PORTABLE Place of Origin: Guangdong, China Color: Blue,black,red,gray,army green