H-905B Bone Conduction Wireless Bluetooth Earphone that allow you to tune in to music or callswithout tuning out the world, all with complete wireless freedom. Our open ear bone conduction headsets guide mini vibrations through your cheekbones to your inner ears, ensuring you can be open to ambient sound, even when you’re plugged in, and working out or on the go. Our patented open ear design guides mini vibrations through your cheekbones to your inner ears, delivering stereo sound without plugging or covering them. www.szrisest.com