readAccelerometer(callback) is not a function

[ghettokon]

Hi all,
I tried to modify the setLed example to read the accelerometer info from the bean +, I changed 1 line in the code, from bean.setLed(0, 255, 0, (err)=> { to bean.readAccelerometer((err)=> {, the rest are the same.

I got this error:
TypeError: bean.readAccelerometer is not a function

[ghettokon]

I read through the log and realized the .js is also trying to connect to my watch, and the error may because my watch doesn't respond to bean.readAccelerometer((err)=> {...

In that case, how do I connect to Bean+ only?