Children speak softly in the voice-feedback device and clearly hear the sounds and words emitted, then modify their pitch, rate, flow, etc. Perfect for beginning and intermediate readers, and for children with speech or communication deficits. Break-resistant, lightweight, colourful and washable plastic. No batteries required. Creates an acoustically-clear connection between two speakers or readers. Ideal for paired work. Comes with 2 handsets linked by an expandable (up to 1.80 m) voice tube.