Samsung has shown off a cover for one of its smartphones that it says offers tactile feedback for people with vision impairment.
The Ultrasonic Cover allows users to detect obstacles and navigate unfamiliar places by sending an alert through a vibration or TTS feedback.
The company said that by holding the cover in front of the user, it can enhance a visually impaired user's awareness of their surroundings by sensing the presence of a person or object up to 2 meters away.
Despite its name though, it isn't actually ultrasonic.
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