1.Click on the start menu, click on control panel

2.open control panel \hardware and sound \devices and printers, add a device

3.terminal device search " SL_+12characters". click connect. note: the bluetooth keyboard is used to transmit keyboard data to the device and pair with the bluetooth device. default pairing code: 0000

4.unable to pair, please try again

if you cannot solve it yourself, please consult online technical customer service. for driver software, please go to shanghai dengyuan official website.www.barcodesh.com“download center"

service hotline: 021-67676808