Abstract: The present invention relates to a pair of pure wireless earphones using optimal monopole antennae in the technical field of communications, comprising in-ear type earphone housings and RF signal generation devices disposed in the in-ear type earphone housings, wherein positioning stages matched with the shape of auricular concha cavities are at the tops of bottom housings; each RF signal generation device consists of an antenna, a main PCB and a battery; each antenna is used for establishing an RF communication link with an audio source and a secondary earpiece; and a ball is drawn with each antenna as a center point and the outer wall of the corresponding in-ear type earphone housing closest to the antenna as a radius to form a space as an antenna holding area in which the antenna is located, and the radius of the ball is greater than 4 mm.

Abstract: The present invention relates to a pair of pure wireless earphones using optimal monopole antennae in the technical field of communications, comprising in-ear type earphone housings and RF signal generation devices disposed in the in-ear type earphone housings, wherein positioning stages matched with the shape of auricular concha cavities are at the tops of bottom housings; each RF signal generation device consists of an antenna, a main PCB and a battery; each antenna is used for establishing an RF communication link with an audio source and a secondary earpiece; and a ball is drawn with each antenna as a center point and the outer wall of the corresponding in-ear type earphone housing closest to the antenna as a radius to form a space as an antenna holding area in which the antenna is located, and the radius of the ball is greater than 4 mm.