Features:
1) More than a simple Earmuff, it allows enjoying musics when warming your ears.
2) Incorporatesed with high quality speakers, with super bass performance.
3) Soft frame design, can be stretched and adjusted to fit most heads.
4) The frame can be folded flat to occupy little room when not in use.
5) Around-the-neck design, avoids ruffling your hair
6) Non battery required, plug and play.
7) 3.5mm audio jack, compatible with all device which with 3.5mm audio hole.

Specifications:
1) Rated Power: RMS 10mW x 2
2) Speaker Unit: 32Ω/40mm
3) Frequency Response:20HZ---20KHZ
4) Audio Input: 3.5mm Audio Plug
5) Power Supply: No power required, plug and play
7) Earmuff Material: Acrylic + Polyester
8) Accessories: 1.2M Detachable Knitting Audio Cable (with Volume Controller Micro cable is optional)