The 3068USB is considered the benchmark headphone by schools and districts for language learning because of its sound quality, durability, and performance at an economical price to stretch budgets. The 3068 series now includes an optional steel-encased boom microphone for active learning.The 3068USB is considered the benchmark headphone by schools and districts for language learning because of its sound quality, durability, and performance at an economical price to stretch budgets. The 3068 series now includes an optional steel-encased boom microphone for active learning.