Nokia Portable Wireless Speaker - About Bluetooth connectivity

You can use Bluetooth to connect wirelessly to other compatible devices, such as mobile phones.

The devices don't have to be in direct line of sight, but they must be within 33 feet (10 meters) of each other. The connection may be affected by obstructions such as walls or other electronic devices.

This device is compliant with Bluetooth Specification 3.0 supporting the following profiles: hands-free (1.6), headset (1.2), advanced audio distribution (1.3), and audio/video remote control (1.5). Check with the manufacturers of other devices to determine their compatibility with this device.