The iHome iBT39 is a bluetooth device and if your Laptop supports bluetooth (or you get a USB bluetooth dongle for it), you will be able to pair it to your laptop if your Operating system is modern enough - follow the "help" instructions on how to turn on bluetooth and pair a device.
On an Acer laptop, the blue light typically indicates that the device is powered on and functioning normally. The orange light usually signifies that the laptop is in sleep mode or that the battery is charging and may also indicate a low battery level. If the orange light is blinking, it may indicate a problem with the battery or charging system. Always refer to the specific user manual for your model for accurate information.
It is an electrical-electronics device.
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Laptop and portable device cover
Usually--but there's one sure way to find out! Attempt to charge the device with the laptop off, and check the device's charge indicator.
It's used to navigate in the device you're using (e.g. a mobile phone, navigation system, iPod, laptop etc.)
with windows update
the Power button
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on laptop pc which one of the four light indicate your atenna on
Send it to the manufacturer and wait