Smart Watch C21

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

26 来源

The smart watch C21 phrase primarily refers to a popular budget-friendly series of smartwatches, split into two main hardware variations: the sleek Cubot C21 lifestyle tracker and the more popular C21 Pro (often branded under various OEM names like LinsonK, EIGIIS, or PureRoyi), which is a rugged outdoor model featuring Bluetooth calling. Cubot Digitalzakka

Product Overview & Key Models

The "C21" designation is widely used by OEM manufacturers in Shenzhen, leading to two distinct product lines:

* Cubot C21 (Lifestyle): Features a 1.3" TFT-LCD screen with a slim aluminum frame and 5ATM water resistance. It focuses on basic health tracking (HR, SpO2) and long battery life (up to 10 days). Cubot

* C21 Pro (Rugged Outdoor): A high-demand model featuring a 1.39" HD screen (360x360), rugged metal bezel, and Bluetooth calling capabilities. It often uses the Realtek 8762DK chip and is IP68 rated for outdoor durability. Alibaba

Market Trends & Insights (2026)

The C21 Pro aligns with the "Rugged Outdoor" trend that peaked in mid-2026, driven by consumer demand for durable, multi-functional wearables at budget price points ($10–$25 wholesale). Alibaba Persistencemarketresearch

* Key Growth Drivers: The demand for standalone connectivity (Bluetooth calling) in budget devices has surged by over 80% year-over-year. Market

* Competitive Landscape: In the budget rugged segment, the C21 Pro competes directly with the C20 Pro and newer AMOLED-equipped models like the AK107. Alibaba Alibaba

* Consumer Sentiment: Users highly rate the screen clarity and calling function but note that specialized rugged apps (like FitCloudPro) can have initial syncing hurdles. Amazon

Sourcing Intelligence

I have identified several key manufacturers and suppliers for the C21 series in Shenzhen:

* Shenzhen Lanmate Technology Co., Ltd. is a verified supplier carrying the C21 Pro with full OEM/customization options for logos and packaging. Alibaba

* Wholesale prices for these units typically range from $8.00 to $18.70, depending on the order volume and specific battery capacity (300mAh to 410mAh variants). Alibaba Alibaba

* The market for low-priced smartwatches (under $100) is projected to grow at a CAGR of 11.6% through 2033, making the C21 a stable high-volume entry point. Persistencemarketresearch

Detailed product listings and supplier profiles are available in the attached files below.}local-file-turn1file10,turn1file9

The C21 series is strong in the budget rugged segment. Would you like to:

Sources & References

26 sources cited · Verified industry data & reports

FAQ - Padmate C21 Smart Watch

Padmate

1. Turn on Do Not Disturb mode --> In Do Not Disturb mode, the screen will automatically turn off if the wrist is not turned on. 2. The wrist lift function ...

Cubot C21: Smartwatch Fitness Tracker With Heart Rate & ...

Cubot

Cubot C21 smartwatch with 1.32″ square screen (360×360), BT 3.0/5.0, 300 mAh battery, IP 68 waterproof rating, and essential health features including heart ...

What is the function of smart watch C21?

Amazon.com

Shop with expert advice from LinsonK in their latest video What is the function of smart watch C21?

PUREROYI C21 Smart Watch Bluetooth Call User Manual

device.report

Specifications Model: Smartwatch Charging: Magnetic charger with 5V1A USB Bluetooth: Version 5.0 Compatibility: Android and iOS. Other ...

Smart Watch C21 for Men: Waterproof, Bluetooth Call, Multi ...

Digital Zakka

Key Features *Bluetooth Call: Enabled *Operating Mode: Full touch control with side button *Display Screen: 1.32 inch round screen with 360*360 resolution

C21 Bluetooth Calling Smart Watch Outdoor Multi-Sports ...

Newegg

C21. Launch Date :2022. Compatible Platform :Android. Suitable Audience: Business. Product Weight :160G. Operation Mode: Touch + Button Type.

Smart Watch C21

Overview

Product Overview & Key Models

Market Trends & Insights (2026)

Sourcing Intelligence

Smart Watch C21

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Sources & References