What's in the box:

V-112 Active Speaker Elevation Design Computer Speaker Stereo Input Speaker USB-powered Speaker 3.5mm Audio Speaker Black (Black)

Features:
Large diameter full frequency vibration loudspeaker, deep bass, rich midrange and clear treble.
D power amplifier, high quality and low distortion.
USB supply power directly, plug and play, easy connection.
Can connect PC, laptop, mobile phone, MP3, MP4, iPod, DVD and other device with 3.5mm audio output port.
Ergonomic key, separate buttons control volume and switch, control most functions.

Specification:
Product name: Active speaker
Model: V-112
Color: Black
Output: 3W
Separation: 40dB
SNR: 80dB
Frequency: 25Hz~20KHz
Power: USB/DC 5V600mA
Channel: 2.0
Material: plastic
Item size:18*7.5*7cm / 7.09*2.95*2.76in(L * W * H)
Item weight: Approx.414.5g /14.62oz
Package size:19*13.3*8cm / 7.48*5.24*3.15in(L * W * H)
Package weight:488.5g /17.23oz

Packing list:
2*Speakers
1 *User Manual