Wear OS Bluetooth LE

Your Tesla.
On your wrist.

Watt Key connects directly to your Tesla over Bluetooth — no internet, no cloud, no delay. Unlock as you walk up. Lock as you walk away. All from your watch.

Get it on Google Play
Watt Key home screen showing Tesla vehicle
Watt Key Wear OS tile with quick commands
Watt Key door control screen
Watt Key quick actions — frunk, trunk, charge
Watt Key auto unlatch and auto secure settings

Features

Everything you need.
Nothing you don't.

Built specifically for Tesla owners with a Wear OS watch.

🔓

Find on Approach

Your watch detects when you're near your Tesla via Bluetooth and automatically unlocks it — before you even reach for the door.

🔒

Auto Secure

Walk away and Watt Key locks your vehicle behind you. No fumbling with your phone, no double-checking — it just happens.

🚗

Full Vehicle Commands

Lock, unlock, open any individual door, pop the frunk, open the trunk, toggle the charge port, or open the Cybertruck's tonneau cover.

📋

Multiple Vehicles

Own more than one Tesla? Watt Key supports multiple vehicles and lets you name each one for easy switching.

Customisable Tile

Add a Wear OS tile to your watch face for instant, one-swipe access. Choose exactly which commands appear — tailored to how you drive.

📡

Bluetooth Only

No internet connection required. Watt Key speaks directly to your Tesla over Bluetooth — fast, private, and works even without signal.

How it works

Up and running in minutes

No accounts, no cloud setup. Just your watch and your Tesla.

1

Install Watt Key

Download from Google Play onto your Wear OS watch. Works with Samsung Galaxy Watch and all Wear OS devices.

2

Pair your Tesla

Open the app and follow the simple pairing flow to connect your watch to your Tesla over Bluetooth.

3

Set your preferences

Enable Find on Approach, Auto Secure, and customise your tile — all directly from your watch.

4

Drive smarter

Your watch handles the rest. Approach your Tesla and it unlocks. Walk away and it locks. Done.

Ready to unlock
your Tesla?

Download Watt Key today and take control of your Tesla — right from your wrist.

Get it on Google Play