Colmi C8 Max 1.93" Bluetooth Calling Smartwatch with Magnetic Strap

The Colmi C8 Max is a Bluetooth calling smartwatch featuring a 1.93‑inch IPS touchscreen, Bluetooth 5.3 for wrist‑based calls, IP68 water resistance, and a 280 mAh battery that delivers up to 7 days of use. It includes a removable 22 mm magnetic silicone band and works with Android, iOS, and Harmony OS devices via the COLMI Fit App.

Key takeaways

• Large viewing area: 1.93‑inch IPS display with 240 × 288 pixels resolution
• Call‑ready connection: Bluetooth 5.3 enables smartwatch calling when paired with a compatible phone
• Everyday power: 280 mAh lithium polymer battery rated for 5–7 days per charge
• Flexible fit: 22 mm removable magnetic silicone band in Gold, Black, or Silver finishes
• Health tools: Sleep tracking via Go More algorithm and 24/7 stress monitoring from HX3918 heart rate sensor

What is the Colmi C8 Max Smartwatch?

The Colmi C8 Max Bluetooth Calling Smartwatch combines wrist‑based call access with a large display, app connectivity, and everyday monitoring tools. It uses Bluetooth 5.3 to pair with supported phones and works through the COLMI Fit App for health and activity insights. The watch is intended for daily connection and routine tracking rather than as a replacement for a phone or medical device.

Key Features

• 1.93 inches IPS full‑touch display: The large IPS screen has a 240 × 288 pixels resolution and a glass cover. Full‑screen touch controls keep menus and on‑screen actions within easy reach.
• Bluetooth 5.3 calling: Bluetooth 5.3 is the stated wireless connection for pairing the watch with a compatible phone. It is designed for convenient call handling when the paired phone is nearby.
• Zinc Alloy + IML watch body: The Zinc Alloy + IML construction gives the C8 Max a structured watch body. Gold, Black, and Silver options let shoppers select a finish that suits their usual accessories.
• 22mm removable magnetic silicone band: The magnetic silicone band is made for comfortable daily wear, and the 22 mm removable design provides a route to personalisation. Confirm the replacement band specification before buying an additional band.
• Sleep and stress tools: Sleep tracking uses the Go More algorithm to record deep, light, and awake states. The HX3918 heart rate sensor supports 24/7 stress monitoring information in the connected experience.
• 280mAh lithium polymer battery: The stated 280 mAh lithium polymer battery offers 5–7 days per charge, depending on use. Wireless charging reaches a full charge in about 2 hours according to the supplied specification.

Specifications

• Brand: Colmi
• Model: C8 Max
• Category: Bluetooth calling smartwatch
• Display: 1.93 inches IPS full‑touch
• Resolution: 240 × 288 pixels
• Display cover: Glass
• Connectivity: Bluetooth 5.3
• Main chip: JL7012F
• Heart rate sensor: HX3918
• App: COLMI Fit App
• Compatibility: Android 4.4+, iOS 8.0+, Harmony OS
• Water resistance: IP68 waterproof rating
• Body material: Zinc Alloy + IML
• Band: Magnetic silicone, 22 mm removable
• Battery: 280 mAh lithium polymer
• Charging: Wireless charging, about 2 hours
• Stated usage time: 5–7 days per charge
• Available colours: Gold, Black, Silver

Why Everyday Phone Users Choose This Watch

The C8 Max suits shoppers who prefer a broad, touch‑controlled watch screen instead of a narrow fitness‑band display. A 1.93‑inch panel makes everyday information easier to view, while the 240 × 288 pixels specification describes the detail available for watch menus and supported functions.

Bluetooth calling is useful for people who want an accessible wrist companion during ordinary routines, such as working at a desk, moving around home, or walking nearby with a paired phone. Actual call performance depends on the paired handset, connection conditions, and how the watch is configured.

Use Case: Daily Calls and Notifications

For connected daily wear, Bluetooth 5.3 and the COLMI Fit App form the core of the C8 Max experience. Check that your phone uses Android 4.4+, iOS 8.0+, or Harmony OS before purchase, then allow the app permissions required for the functions you choose to use. The JL7012F main chip drives watch operation, while the full‑screen touch interface supports navigation. This product is presented as a paired smartwatch, not as an independent cellular handset.

Use Case: Sleep and Routine Awareness

For routine awareness, the C8 Max records sleep states described as deep, light, and awake through the Go More algorithm. The HX3918 heart rate sensor is also specified for 24/7 stress monitoring, giving users information to review alongside their day‑to‑day habits. Sleep and stress readings are wellness‑oriented indicators, not clinical measurements, diagnosis, or treatment. Anyone making health decisions should use appropriate professional guidance rather than relying on smartwatch data alone.

Maintenance and Care Tips

To keep the Colmi C8 Max in good condition, wipe the zinc alloy and IML body with a soft, lint-free cloth to remove sweat or residue after workouts. Although the watch has an IP68 rating, avoid using harsh chemicals, soaps, or detergents that could compromise the seals over time. Ensure the magnetic charging pins on the back remain clean and free of debris to maintain optimal contact during the two-hour wireless charge cycle.

Buying Guidance and Compatibility

Before purchasing, confirm your smartphone operating system matches the requirements: Android 4.4 or higher, iOS 8.0 or higher, or Harmony OS. Because the 22mm band is removable, consider your wrist size if you are replacing the included magnetic silicone strap. The magnetic attachment is specific, so verify compatibility with standard third-party lugs before assuming universal fit for all 22mm bands. Choose between Gold, Black, and Silver based on your preferred daily accessory style.

What’s Included

• Colmi C8 Max Bluetooth calling smartwatch
• Magnetic silicone band in the selected colour option

The supplied product information identifies the watch and its magnetic silicone band. It does not specify every box accessory, so shoppers who need confirmation about packaging contents should verify those details before placing an order.

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