The listing, 3-in-1 Audio Combo Kit - Headphones, Earbuds & Portable Speakers - By Vibe Sound has ended.
Stereo headphones frequency range: 20-20KHz.
Speakers frequency range: 200 Hz-12KHz.
Earbuds frequency range: 20-20KHz.
BRAND NEW, NEVER OPENED
Can be used for MP3, CD player, Mac/Pc.
3.5 jack portable, Home or office
Next Day delivery with confirmation