Hot Bone Conduction Speaker Bluetooth TWS Stereo Dual Sound Channels Mini Audio Box HumbirdSpeaker with HD Call FM Radio

Features:   1. Turn any hollow core into a speaker: This bone conduction speakers are the smallest and most versatile bone conduction speakers in the world, allowing you to have a different but still great sound experience in any environment. Turn any void into a speaker anytime, anywhere   2. Different sounds with different surfaces: This speaker uses bone conduction technology to give you a diy sound experience. You can test and enjoy different sounds - almost like using different instruments. Putting it on different surfaces like glasses, guitars, kraft paper boxes, plastic storage boxes, photo frames, sports headphones or even dashboards can give you a variety of sound effects.   3. Excellent combination experience: Bone conduction speakers are wireless connected . Two humbird speakers can be wireless paired automatically, which will provide true wireless stereo. We highly recommend using two connected speakers, you can enjoy a 2.0 surround sound experience.   4. Small but p