The Calus GX8 Ultra Smartwatch is designed for everyday smart usage with a large 2.1 inch full HD display offering a resolution of 420 x 485. The watch features a zinc alloy body made through an injection process and is paired with a liquid silicone strap, providing durability and comfortable daily wear. Wireless charging support allows convenient recharging when the watch is placed correctly on the charging surface.

This smartwatch supports Bluetooth calling when connected to a compatible smartphone, allowing users to manage calls directly from the watch. Bluetooth 5.2 connectivity enables phone contact synchronization, music control, weather updates, and voice assistant functionality. The watch also includes NFC support for compatible use cases and records daily activity data such as steps, distance, calories, and activity duration, along with outdoor sports tracking.

Health monitoring functions include heart rate tracking and blood oxygen level monitoring when worn correctly on the wrist. Additional tools such as breathing training, calculator, adjustable brightness, raise wrist to wake, do not disturb mode, and sound and vibration control support everyday usability. The smartwatch is compatible with Android 5.0 and above and iOS 10.0 and above.

For safe operation, charging should be carried out in a dry environment using a power source not exceeding 5V 1A. The back of the watch and charging surface should be kept clean to ensure proper wireless charging contact.

Features

• 2.1 inch full HD display with 420 x 485 resolution
• Bluetooth calling support when paired with smartphone
• NFC functionality for compatible use cases
• Heart rate and blood oxygen level monitoring
• Wireless charging support
• Bluetooth 5.2 connectivity
• Outdoor sports activity tracking
• Breathing training and calculator functions
• Adjustable display and system settings

Specifications

Brand: Calus
Model: GX8 Ultra
Product Type: Smartwatch
Body Material: Zinc alloy with injection process
Strap Material: Liquid silicone
Display Size: 2.1 inch
Display Resolution: 420 x 485
Memory: 128MB
Bluetooth Version: 5.2
Charging Type: Wireless charging
Charging Requirement: Charger below 2A
Compatibility: Android 5.0 and above iOS 10.0 and above