· Adopt ultrasoinc detecting technology.
· Auto detect two directions with two different sounds output.
· The detection accuracy up to centimeter.
· Detector can be rotated around 60 ° .
· Sound files can be changed at will.
· Support to play the audios of MP3 format.
· High sound quality audio output.
· Support maximum 4GB micro SD card.
· Support USB2.0 protocal to transmit data; can read the data in SD card through the USB cable to connect to computer.
· Volume is adjustable.
· Built-in 2W amplifier circuits to ensure loud and beautiful voice.
· Auto sleeping circuits design, can keep long-term standby.
· Built-in automatic charging circuits.
· Plug and play type design.
· Built-in 500mAH lithium battery, time durable.
· Operation voltage: DC-5V/1A.