43fgbluetooth headphone single wireless earphone earbuds exquisite headset handsbone conduction earphones headphones with mic

features: 1. famous brand csr bluetooth ic chip, hd sound quality, clear microphone.the latest bluetooth bone conduction concept technology, stable and fast speed. 2. designed for ergonomics, wear solid, no drop and no pains.not enter the ear design. there is no pain in wearing for a long time. 5, high-definition microphone support calls, hands and lightly weight.subwoofer stereo sound, enjoy the music like at the live shows. specification: bluetooth version: v4.2+edr trabsmitting fre