HK12 Ultra 4 Smartwatch: Powerful 2.02″ AMOLED, Bluetooth Calling

Overview

The HK12 Ultra 4 smartwatch puts calls, music, health tracking and AI tools on one 2.02-inch AMOLED display. It connects to Android and iOS phones through the Wearfit Pro app. A zinc-alloy case and silicone strap keep it light for daily wear and workouts. It sits in our Ultra Smartwatches range. You can compare it with every model in our full smart watches collection.

Key Features & Benefits

• Large AMOLED display: The 485 × 540 resolution gives clear watch faces and messages in daylight.
• Bluetooth calling: Answer and make calls from your wrist. Bluetooth 5.1 and a high-power speaker handle the audio.
• Local music and recording: 1 GB of memory stores songs for phone-free listening. It also supports voice recording and TWS earbuds.
• Health and activity tracking: Heart rate, blood pressure, blood oxygen, sleep monitoring, step counting, multi-sport modes and sedentary reminders.
• AI tools: AI voice assistant, AI watch faces, AI photo album, schedule reminders and translation in 21 languages.
• Customisation: Online watch face, app and game markets, plus animated watch faces.
• Wireless charging: A magnetic charger replaces cable ports. Regular use lasts about 7 days.
• Change the look: Swap the silicone band for any colour from our watch straps.

Specifications

What’s in the Box

• HK12 Ultra 4 smartwatch with 49 mm metal-alloy case
• Silicone & Trail loop strap
• USB-A wireless magnetic charging cable with circular charging puck
• Multi-language user manual and setup guide
• Retail packaging: white presentation box with sleeve

How to Use / Care Instructions

1. Download Wearfit Pro and pair the watch over Bluetooth with one tap.
2. Allow Bluetooth call permissions on your phone to use calling.
3. Transfer songs through the app to use the 1 GB local storage.
4. Attach the magnetic charger to the back of the watch and charge until full.
5. IP67 protects against splashes, rain and dust. Don’t swim or shower with it. Dry the strap after sweaty workouts.
6. Health readings are for general wellness reference, not medical diagnosis.

Shipping, Returns & Support

Orders ship across India, with delivery in 6-8 business days. Read our shipping policy and return & refund policy before ordering. You can track your order at any time or check the FAQs.

Who Is the HK12 Ultra 4 Smartwatch For?

The HK12 Ultra 4 smartwatch suits people who want calls, music and fitness tracking on one device.

• Daily commuters: Answer calls and read messages without taking out your phone.
• Fitness users: Track heart rate, sleep and steps, and pick from multi-sport modes.
• Music lovers: Store songs on the 1 GB memory and pair TWS earbuds for phone-free listening.
• Android and iPhone users: The watch works with both through the Wearfit Pro app.

Water Resistance and Connectivity Explained

The watch carries an IP67 rating, which means protection against dust and temporary water exposure. Read more about the IP code standard to understand what the rating covers. Don’t swim or shower with the watch.

Bluetooth 5.1 keeps the connection to your phone stable for calls and notifications. You can learn more about Bluetooth technology on the official Bluetooth website.

Buy the HK12 Ultra 4 from Urban Store

Urban Store ships across India. If you have questions before ordering, use our contact page and we will help you choose.