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Ultrasonic wireless power supply

       How much do you know about ultrasonic wireless power supply? The following is a brief introduction of ultrasonic wireless power supply.
       Ultrasonic wireless power supply: the effective range is close to 5 meters
       Advantages: the technology is very safe; the receiver is cheap and small; it can be used for data transmission.
       Disadvantages: the final product may not meet the expectations in terms of price, power, speed and safety.
       Ubeam, a company, has invented a new wireless mode of power supply that uses ultrasound to send electricity across the air to a place 15 feet away. With such a product, as long as the use of a dedicated wireless power supply sleeve, you can charge at the same time with a mobile phone around the house.