WhisperPhone Solo XL is a hands-free acoustical voice-feedback headset with a self amplifier for grades 5 and up. It enables children as well as adults to focus and hear phonemes more clearly while reading, spelling or learning a new language. light-weight, reversible headset is easy to use and virtually indestructible. It minimizes noise to emphasize the sound produced and is dishwasher safe. Headset boosts articulation and optimizes language processing, while improving student focus and raise phonemic awareness. Headset helps you refine auditory discrimination, minimize phonological processing disorders, accelerate speech training and discover your singing voice. It is sold as 48 per set.Reduce noise in your classroom, improve articulation, optimize language processing, improve student focus, learn a new language, raise phonemic awareness, refine auditory discrimination, minimize phonological processing disorders, accelerate speech training and discover your singing voice, Grade 5+ years