Augmental MouthPad controls devices with tongue for $1,400

Augmental's MouthPad is a custom-fitted intraoral interface that lets people with paralysis control Bluetooth devices via tongue and head movements without external hardware. It is made from a 3D dental scan, weighs about 7.5 grams and costs roughly $1,400, excluding dental-fitting costs.

• Price around $1,400, excluding dental-fitting costs
• Weighs about 7.5 grams with a sub-1mm body
• Cursor control, clicks and swipes via tongue
• Roughly two-year lifespan, 7+ hours of use