Our USB-01 is a USB function stick that can play a sound message. This unit can be a webkey or memory stick that can be able
to play any message when it is plugged into the computer. The message can be recorded by you.

 

Our BT-04 is a Bluetooth Detector device. This unit will connect to your mobile phone by bluetooth technology.
When your mobile phone is out of reach of the bluetooth sensor, it will light up and beep to alert you.