HMN9039 Earpiece with MicMotorola Earpiece with microphoneProfessional two-way radio accessoryConvenient way to speak and listen without holding your Motorola two-way radioCan be used hands-free with VOX-capable Motorola two-way radiosMakes it easier to hear in noisy or hushed environmentsCompatible with: M-Series XTN Series or CLS SeriesBox dimensions: 11quot;L x 5.25quot;W x 2.5quot;HMOT53863