DATEOY HK12 ULTRA4 MAX AI Smart Watch

2.02" AMOLED · AI Assistant · Real-Time Translation · Bluetooth Calling

A Smarter Watch for a More Connected Life

Meet the DATEOY HK12 ULTRA4 MAX — a powerful AI smartwatch designed to bring communication, translation, entertainment, and everyday wellness closer to your wrist.

With a large 2.02-inch AMOLED display, built-in AI assistant, real-time two-way voice translation, Bluetooth calling, WhatsApp replies, downloadable apps and games, customizable watch faces, and wireless charging, HK12 ULTRA4 MAX is designed to do much more than simply tell time.

Whether you're traveling across borders, answering a message, taking a call, setting a reminder, listening to music, or checking your daily activity, the watch helps you stay connected without constantly reaching for your phone.

✨ Big Display. Bold Presence.

Everything starts with the display.

The 2.02-inch AMOLED screen delivers vivid colors, deep contrast, and sharp details at 410 × 494 resolution.

The larger screen gives you more room to interact with notifications, watch faces, apps, photos, and other everyday features.

Combined with the refined zinc alloy and IML construction, HK12 ULTRA4 MAX brings together a bold smartwatch presence with a modern digital experience.

🤖 AI That Works Around Your Day

Your smartwatch can be more than a notification screen.

HK12 ULTRA4 MAX features an AI large-model assistant that lets you interact with AI directly from your wrist.

Ask questions, have AI conversations, and use supported intelligent functions without constantly taking out your phone.

The AI assistant can also help you manage your schedule. Simply wake the AI assistant to create reminders, then modify or delete them directly from the watch.

Speak. Ask. Organize.

AI dialogue supports a wide range of languages, including:

English · Chinese · Japanese · French · Spanish · Portuguese · German · Italian · Arabic · Korean · Russian · Thai · Vietnamese · Turkish · Indonesian · Persian · Polish · Greek · Ukrainian · Malay · Hebrew

🌍 Break Language Barriers

Traveling, working internationally, or simply communicating with someone who speaks another language?

HK12 ULTRA4 MAX supports real-time two-way voice translation.

The one-click translation system is designed to make cross-language conversations easier, with support for 21 languages.

Lift Your Wrist. Speak Naturally. Connect Globally.

Instead of reaching for your phone or opening a separate translation app, supported translation features are available directly from your wrist.

💬 Reply to WhatsApp From Your Wrist

Stay connected even when your phone isn't in your hand.

HK12 ULTRA4 MAX supports WhatsApp replies, helping you respond to compatible messages directly from your smartwatch.

Together with Bluetooth connectivity and call notifications, it keeps your important conversations within easy reach.

📞 Take Calls From Your Wrist

Your phone doesn't always need to come out of your pocket.

Once connected to your smartphone, HK12 ULTRA4 MAX supports Bluetooth calling, allowing you to make and receive calls directly from the watch.

With a built-in speaker and microphone, it's ready for quick conversations while you're:

• Walking
• Working
• Commuting
• Exercising
• Traveling

Stay connected without stopping what you're doing.

🎨 Make Every Day Look Different

Your watch should match your style.

HK12 ULTRA4 MAX supports multiple watch faces, dynamic watch-face pushing, and personalized watch-face customization.

You can also upload your own photos to the watch and turn them into a personal background.

Change Your Look in Seconds

Dynamic faces · Custom faces · Personal photos · Multiple styles

🏝️ A More Dynamic Interface

HK12 ULTRA4 MAX adds a Dynamic Island-style interaction effect to the watch interface.

Interactive animation effects make supported notifications and interface interactions feel more dynamic and modern.

It's a small detail that makes everyday interactions feel more engaging.

📲 Expand Your Watch With Apps & Games

Why stop with the features that come pre-installed?

HK12 ULTRA4 MAX includes access to an app store, allowing compatible applications and games to be downloaded to the watch.

Discover new ways to use your smartwatch and personalize the experience as your needs change.

🎵 Your Music, Always Within Reach

Take your music with you.

HK12 ULTRA4 MAX supports:

Local music playback

and

Bluetooth music from your smartphone.

You can also connect compatible TWS Bluetooth earbuds directly to the watch for a more convenient listening experience.

🎙️ Record Ideas Before They Disappear

A great idea can come at any time.

With local recording and playback, HK12 ULTRA4 MAX gives you a convenient way to capture voice recordings directly from your wrist and listen back later.

📸 Your Camera Remote, Right on Your Wrist

Getting the perfect photo doesn't always require someone else to take it.

Use the Shake to Take Photo feature to remotely control your smartphone camera.

Set your phone down, frame the shot, and use your watch as a convenient remote.

Perfect for:

• Group photos
• Travel photos
• Selfies
• Hands-free shots

🖼️ Keep Your Favorite Moments With You

Upload your favorite photos directly to the watch and keep them available in your local photo album.

Your smartwatch can become a small collection of the moments that matter most.

📖 A Little Reading, Anywhere

Have a few minutes to spare?

HK12 ULTRA4 MAX supports TXT e-books, allowing compatible text files to be read directly from the watch.

❤️ Understand Your Everyday Wellness

HK12 ULTRA4 MAX brings several everyday wellness features together in one place.

Track and monitor:

• ❤️ Heart Rate
• 🩸 Blood Pressure
• 😴 Sleep
• 👣 Daily Steps
• 🪑 Sedentary Time

Use these measurements to better understand your daily habits, activity, and routines.

🔋 Designed to Stay Ready

The 260mAh battery provides approximately 30 days of standby time under the manufacturer's stated standby conditions.

For actual day-to-day use, battery life will vary depending on Bluetooth calls, AI functions, screen usage, notifications, music, apps, and other features.

When it's time to recharge, simply use the wireless charging system.

💧 Ready for Everyday Adventures

HK12 ULTRA4 MAX carries an IP67 water-resistance rating, giving it protection against everyday splashes and exposure to water.

It's suitable for normal daily situations such as:

• Rain
• Hand washing
• Everyday splashes

Please note: IP67 does not make the watch suitable for swimming, diving, hot showers, saunas, or prolonged water immersion.

📱 One-Click Connection

Getting started is simple.

HK12 ULTRA4 MAX supports one-click connection with your smartphone through the Wearfit Pro companion app.

Compatible With

Android 8.0 and above

iOS 14 and above

Once connected, you can access supported calling, notifications, watch-face, activity, and other smartwatch functions.

🌍 Made for Users Around the World

HK12 ULTRA4 MAX supports a wide range of languages across both the app and firmware.

Supported languages include:

English · Simplified Chinese · Traditional Chinese · French · Japanese · Korean · Spanish · Portuguese · Russian · Thai · Arabic · Vietnamese · Turkish · Indonesian · Persian · German · Italian · Hebrew · Polish · Greek · Ukrainian · Malay

English is supported as the default firmware language.

Why You'll Love the DATEOY HK12 ULTRA4 MAX

🤖 AI Assistant

Interact with an AI large-model assistant directly from your wrist.

🌍 Real-Time Translation

Two-way voice translation supporting 21 languages.

💬 WhatsApp Replies

Respond to compatible WhatsApp messages from your watch.

📞 Bluetooth Calling

Make and receive calls without constantly reaching for your smartphone.

🖥️ 2.02" AMOLED

A large, vivid display with 410 × 494 resolution.

📲 Apps & Games

Download supported applications and games from the app store.

🎨 Custom Watch Faces

Choose dynamic designs or personalize the watch with your own photos.

🎵 Music & TWS

Play local music, control phone music, and connect compatible TWS earbuds.

📸 Remote Camera

Control your smartphone camera from your wrist.

❤️ Wellness Tracking

Monitor heart rate, blood pressure, sleep, steps, and sedentary time.

🎙️ Voice Recording

Record and play back audio directly from the watch.

🔋 Wireless Charging

Convenient wireless charging with a 260mAh battery.

💧 IP67

Designed for everyday splashes and rain.

Specifications