What's in the box:

Portable Wireless BT Stereo Big Power 25W System Radio Music Subwoofer Deep Bass Column Loudspeaker (army green camouflage)

Portable loudspeaker with exquisite design is dustproof and widely applied in study, entertainment, and daily use.

Features:
Strong welding sound quality.
Automatically search for BT.
Support MP3, WMA and other format music files.
Support TF card, BT with call, file playback.
Support external MP3 / MP4 / computer and other audio input function.
Stereo sound, bass surging.

Specifications:
Color: blue, black, red, camouflage, gray (optional)
Support Port: USB, TF card, AUX audio input
USB Output Current: 300mA
Function: radio, card function, phone function, voice prompt, dustproof, mobile charger function
Transducer: 2 * 2.5 alto loudspeaker, 1 * 3.5 bass loudspeaker
Support Format: MP3, WMA, WAV, FLC, APE
Storage: 32GB
Microphone: 401542DB)
Operating Voltage: DC5V
Sensitivity: -70dbm
Diaphragm: 95-A1.0mm-60Degree
Operating Range: 10M
Frequency Range: 80Hz-20KHz
Power Supply: USB
Operating Hours: 3-4 hours
Signal to Noise Ratio: 70DB
Channel: 2
Cabinet Material: plastic
Output Power: 25W
Battery: 1 * lithium battery 7.4V 4000mah
Package Weight: 1460g / 51.50ounce
Item Size: 366 * 138 * 192mm / 14.41 * 5.43 * 7.56in
Package size: 370 * 145 * 200mm / 14.57 * 5.71 * 7.87in

Package List:
1 * Loudspeaker