Colorful Bluetooth Speaker High Power Extra Bass Portable Portable Outdoor Sound Box

Product information:
Power supply mode: Built-in lithium battery
Frequency response range: 50Hz to 20kHz
Packing List: Speaker charging cable instruction box
Applicable people: general
Function: card insertion and call function
Power type: USB
Color: Black
Interface Type: USB
Applicable scenarios: Desktop, outdoor, home, mobile/portable, outdoor lawn
Channel: 2
Shell Material: Plastic
Operation mode: Button