Portable NFC Wireless Symphony Dynamic Subwoofer Portable Speaker

Product information:
Type: Bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Frequency response range: 100HZ-20KHZ
Output power: 80W
Signal to noise ratio: ≥75dB
Power supply mode: built-in lithium battery
Channel: 2
Play time: 6 hours
Expansion storage: 4GB
Bluetooth protocol: 5.0
Number of speakers: 2
Effective distance: 10 meters
Operation mode: button
Shell material: plastic
Support format: TF card
Speaker adjustment method: button
Box material: plastic
Appearance size: 580*280*260MM
Packing list:
Speaker *1