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-Interface: 3.5MM JACK -Cable length: 1.45cm -Sensitivity: -40dB±2dB -Frequency Response: 40Hz~20kHz

-Interface: 3.5mm Jack -Cable length: 1.2m -Sensitivity: 30dB+3dB -Frequency Response: 100hz-16khz

-Part Number: BT-3401 -Frequency Response: 20hz-50hz -Interface: Bluetooth -Color: White

-Sound Channel: 2.0 -Volume: Press Button -Interface: Usb + 3.5mm Jacket -Output Power: 3W x2 -Cable Lenght: 1 meter -Color: Black/BLUE

-Sound Channel: 2.0 -Volume: In-line control -Interface: Usb + 3.5mm Jacket -Output Power: 3W x2 -Cable Lenght: 1 meter -Color: Black

-Sound Channel: 2.0 -Volume: In-line control -Speaker Size: 52mm full range x2 -Input Interface: 3.5mm -Output Power: 3W x2 -Cable Length: 1 meter -Power Supply Mode: USB power supply interface (5V)

-Sound Channel: 2.0 -Volume: In-line control -Input Interface: 3.5mm AUX Male Audio and Microphone Input+ USB -Output Power: 5W -Cable Length: 86cm -Power Supply Mode: USB power supply interface (5V)

-Sound Channel: 3.1 -Volume: In-line control -Input Interface: 3.5mm -Output Power: 3W x2 -Cable Lenght: 1.2m -Power Supply Mode: USB power supply interface (5V)

-Sound Channel: 2.0 -Built-in Microphone: yes -Volume: In-line control -Interface: Usb + 3.5mm Jacket -Output Power: 3W x2 -Cable Lenght: 1 meter -Color: Black

-Part Number: HTM-12205 -Speaker Trolley -Driver Unit: 12.5" woffer + 2" tweeter -Power + Frequency: 40W 5 knobs -Functions: Usb, TF Card, Aux audio input, Bluetooth, Microphone Jack, recording, TF Card -Accessories: Remote Control, 2 Wireless Microphone -Charging + Battery: 4500mAh -Dimensions: 380*380*1000mm -Weight:8.7kg

-Part Number: JBR-1203 -Speaker Trolley -Driver Unit: 12" woffer + 1" tweeter -Power + Frequency: 60W 5 knobs -Functions: Usb, TF Card, Aux audio input, Bluetooth, Microphone Jack, recording -Accessories: Remote Control, 1 Wireless Microphone -Charging + Battery: 7.4/2400mAh -Dimensions: 378*342*615mm -Weight: 5.64kg