ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,739,552, issued on Sept. 15.
"Flexible sleeping headband-type speaker" was invented by Shaogeng Zhuang (Jieyang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flexible sleeping headband-type speaker includes an annular headband, two sound-producing bodies, and cushioning layers. The annular headband includes an adjustable segment, an eye-mask segment, and ear-covering segments. The adjustable segment is disposed along a circumference of the annular headband to adjust a perimeter of the annular headband. The ear-covering segments are symmetrically disposed and are respectively configured to cover a left ear and a right ear. Each of the ear-cove...