Step 1 · Pair your Joy-Cons
Pair both Joy-Cons.
Hold the little sync button on each Joy-Con until the lights chase, then connect via Bluetooth. Press any button in this tab once paired.
L
R
Pairing, step by step: System Settings → Bluetooth. Hold the tiny sync button on the side of each Joy-Con until the four lights scroll back and forth. Click Connect on both Joy-Con (L) and Joy-Con (R) (or a single Joy-Con (L/R) pair). Then press any button here.
Step 2 · Pick a preset
How does this session need to feel?
Four curated recipes, or roll your own. You can fine-tune anything during the session.
Session history
No sessions yet
→
Settings
Dark mode, audio defaults, data
→
Joy-Cons
Elapsed
00:00
Passes
0
Sets
0
Session complete
Well done.
A private, one-line note stays on this device only.
Duration
00:00
Passes
0
Sets
0
Session log
Your private history.
Stored on this device. Nothing leaves your browser.
Preferences
Settings.
This demo runs entirely on your device — no accounts, no server, no analytics.
Dark mode
Quieter palette for evening sessions
Default audio
Include soft alternating tones in new sessions
About this demo
Uses the Web Gamepad API's
dual-rumble. Not the full Joy-Con HD Rumble protocol — that needs WebHID. The iPhone app uses Core Haptics for full fidelity.Clear all session data
Deletes all local sessions and resets defaults