Turn ANY 3.5mm or USB-C Headset into an Anti Radiation Headset– WITHOUT Sacrificing Sound Quality.

• 5G Tested, up to 20 GHz. Also works on 4G/LTE, 3G, & WiFi.
• Absorbs cell phone microwave radiation.
• Unlike air tube technology with inferior audio quality, H.A.R.D. (Headset Anti Radiation Device) actually improves your sound quality by filtering interference.
• Compatible with any device and headset with a standard 3.5mm or USB-C audio jack.
• This includes almost every phone, tablet, laptop, portable gaming system – except iPhone (which uses a Lightning port).
• All your headset controls will still work.
• Lightweight and portable. No batteries required.

Ships from SYB