The Geemarc CL Hook 9 induction headphones are a special headphone for people with a hearing aid. On one side of the headphone there is induction brackets, which you can simply hang over your ears. The hanger is ergonomically shaped and only 1 mm thick, making the hook 8 very comfortable to wear. The CL Hook 9 headphones are equipped with a 3.5 mm jack. This allows you to connect the headphones to any mobile phone. The sound is transmitted directly to your hearing aid via induction. Features: • Specially designed for wearers of a hearing aid • Inductive sound transmission to the hearing aid • Works with all hearing aids that are adjustable to T-position • Calling without interference noise as the phone does not need to be held directly to the ear • Can be connected to any mobile phone with headphone jack • 3.5 mm jack