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The alternating vibration between the two spheres is a clever touch—it keeps things interesting instead of the same steady buzz. Wore it running errands and totally forgot it was there until it kicked in. Genuinely fun.

Didn't expect the two balls to trade off vibrating like that, but it's honestly the best part—keeps things interesting instead of one steady buzz. Wore it out running errands and forgot it was even there until it kicked in.

The alternating vibration between the two spheres is what sold me—it's a totally different feel than a single-motor toy. Wore it running errands and forgot it was there until it kicked in. Battery held up through a whole afternoon, too.