Specifications:

Model: D-209

Color: Black

Light color: colorful

Size: As the picture shows

Output Power: 3W

Connection Type: 3.5mm Audio Plug

Power Supply: USB/DC 5V

Signal to Noise Ratio: >=75dB

Frequency: 25HZ~20kHZ

Channel: 2.1

Two type: with bluetooth function

Features:
- Only the speaker that's with bluetooth function supports TF card and U disk.

- USB supply power dirctly, easy connection.

- Large diameter full frequency vibration loudspeaker, deep bass, rich midrange and clear treble.

- Rear bass trumpet, bass thick, to bring you high-quality bass.

- Work fine, edge fine polished, smooth processing.

- Can connect laptop, phone, MP3, MP4, DVD.

Package included:

1 x Main Speaker

2 x Sub Speaker