The AIAIAI TMA-2 Audiophile Bluetooth Headband (H05) is a high-quality wireless interface for your TMA-2 headphone setup. Just swap out your other headband and you’ve got audiophile quality Bluetooth for your AIAIAI earphones. Charges with USB-C. Headband rubber comes AS IS. Starting to slightly stick. The interior band that touches your head is still soft and supple.