A sensory band for obstacle detection in the visual field of a user, comprising: - a frame having a curved portion and two arched arms (12a, 12b) connected to said curved portion; - two antennas (13a, 13b), each of said antennas (13a, 13b) connected in its upper front portion to a corresponding arched arm of said two arched arms (12a, 12b); - two ultrasonic transducers (14a, 14b), each of said ultrasonic transducers (14a, 14b) positioned at the end of a corresponding antenna of said two antennas (13a, 13b), each of said ultrasonic transducers (14a, 14b) comprising an ultrasound transmitter and an ultrasound receiver; - a first vibrator and a second vibrator, each of them positioned in a corresponding arched arm of said two arched arms (12a, 12b), and a third vibrator positioned in a back central area of said curved portion of the frame; and - a microcontroller operatively connected to said ultrasonic transducers (14a, 14b) and to said first vibrator, second vibrator, and third vibrator (15a, 15b, 15c); wherein said microcontroller is configured to: a) transmit an ultrasound signal by means of the transmitters of said ultrasonic transducers (14a, 14b); b) detect a signal reflected in an obstacle by means of the receivers of said ultrasonic transducers (14a, 14b); c) obtain a characteristic of said reflected signal; and d) vibrate said vibrators (15a, 15b, 15c), wherein the vibration of each of said vibrators (15a, 15b, 15c) depends on said characteristic of said reflected signal. - a frame having a curved portion and two arched arms (12a, 12b) connected to said curved portion; - two antennas (13a, 13b), each of said antennas (13a, 13b) connected in its upper front portion to a corresponding arched arm of said two arched arms (12a, 12b); - two ultrasonic transducers (14a, 14b), each of said ultrasonic transducers (14a, 14b) positioned at the end of a corresponding antenna of said two antennas (13a, 13b), each of said ultrasonic transducers (14a, 14b) comprising an ultrasound transmitter and an ultrasound receiver; - a first vibrator and a second vibrator, each of them positioned in a corresponding arched arm of said two arched arms (12a, 12b), and a third vibrator positioned in a back central area of said curved portion of the frame; and - a microcontroller operatively connected to said ultrasonic transducers (14a, 14b) and to said first vibrator, second vibrator, and third vibrator (15a, 15b, 15c); wherein said microcontroller is configured to: a) transmit an ultrasound signal by means of the transmitters of said ultrasonic transducers (14a, 14b); b) detect a signal reflected in an obstacle by means of the receivers of said ultrasonic transducers (14a, 14b); c) obtain a characteristic of said reflected signal; and d) vibrate said vibrators (15a, 15b, 15c), wherein the vibration of each of said vibrators (15a, 15b, 15c) depends on said characteristic of said reflected signal. a) transmit an ultrasound signal by means of the transmitters of said ultrasonic transducers (14a, 14b); b) detect a signal reflected in an obstacle by means of the receivers of said ultrasonic transducers (14a, 14b); c) obtain a characteristic of said reflected signal; and d) vibrate said vibrators (15a, 15b, 15c), wherein the vibration of each of said vibrators (15a, 15b, 15c) depends on said characteristic of said reflected signal.