HamiltonBuhl Smart-Trek Deluxe USB-C Plug Stereo Headphone with In-Line Volume Control (50-Pack)The durable and sleek Smart Trek deluxe headphones are versatile and compatible with a wide variety of technologies. Designed to stand up to the K 12 environment, Smart Trek headphones are built to last. Smart Trek feature a rugged and comfortable design, so teachers can have headphones that will function for years, and students can wear the headphones for an extended period of time. The headband easily adjusts to fit students of all ages. The ear