Speaker - Stereo - USB 2.0

Bluetooth - wireless - active noise cancelling

3.5 mm jack

KHz - Volume control - Stereo - CE - FCC - Noise reduction - USB - 108 g

20 KHz - Volume control - Stereo

Headset

3-D Recording Headset - 20 - 20000 Hz - 100 dB - 16 Ohms - Black

Zipper" Stereo In-Ear Headphone w/ Microphone & Remote - pink

Zipper stereo in-ear headset with remote - black

Remote