FIG. 1 is a top, front, left side perspective view of a Bluetooth earphone showing my new design in an environment of use;
FIG. 2 is a top, rear, right side perspective view thereof;
FIG. 3 is a rear view of the Bluetooth earphone without environment;
FIG. 4 is a front view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines in the figures illustrate environment and portions of the Bluetooth earphone that form no part of the claimed design.