How to use Puck.js if your PC/Mac doesn't work with Web Bluetooth (Web IDE Relay)

Hi Gordon,
Yes, I'm accessing it via the URL.

Following is the console log when the web IDE has been load,

serial_audio: Audio Sample rate : 48000
serial_audio: Audio Serial Baud 9600 Bit time 5
No chrome.sockets - serial_socket disabled
Running from github/espruino.com - WebSocket support disabled
No chrome.storage API - disabling Offline mode
Initialising SettingsConsole
Initialising Utils
Initialising Config
Initialising Notifications
Initialising Status
Initialising App
Initialising File
Initialising Code
Initialising Serial

• Initialising Serial Audio
  
• Initialising Serial Web Bluetooth
  Initialising Terminal
  Initialising CodeWriter
  Initialising Modules
  Initialising Env
  Initialising Flasher
  Initialising EditorBlockly
  Initialising EditorJavaScript
  Initialising Send
  Initialising MenuPortSelector
  Initialising MenuSettings
  Initialising MenuFlasher
  Initialising SettingsAbout
  Initialising SettingsFlasher
  Initialising BoardJSON
  Initialising VersionChecker
  Initialising Compiler
  Initialising Assembler
  Initialising GetGitHub
  Initialising SetTime
  Initialising Unicode
  Initialising Minify
  Initialising SaveOnSend
  Initialising Tutorial
  Initialising Webcam
  Initialising FontSize
  Initialising UiMode
  Initialising URLHandler
  Initialising CodeLink
  Initialising Project
  Initialising Testing
  Initialising Notification_Sound
  Initialising Tern
  Initialising Debugger
  Initialising Tour
  Initialising HelpLinks
  Initialising Arrows
  No code in storage.
  Handling URL "https://www.espruino.com/ide/"
  Service worker active
  
  

By the way, my OS is win7 64bit with Google Chrome version 59.0.3071.115.
Thank you for helping!