For quite a period afterward, this defined the form factor. Many of us will have had the Japanese versions of this, in a leather or pleather wrapper, with the s

For quite a period afterward, this defined the form factor. Many of us will have had the Japanese versions of this, in a leather or pleather wrapper, with the single earpiece on stiff twisted wire. You could get fined for using them without the earpiece on the beach, something I wish applied now to the knobheads who play music from their iPhones. Shrinking the discrete component set down was a godsend. It took a while, but soon the largest element after the speaker was the battery and tuning dial.