1 / 7Nicdeix HD300 Smartwatch, AMOLED Display
The Nicdeix HD300 is a round, Bluetooth-connected smartwatch with an AMOLED display, phone-linked GPS, activity tracking, and Bluetooth calling. It may suit buyers who want wrist notifications and workout logging, but the listing gives conflicting display sizes and battery capacities that should be clarified before purchase.
At a glance
- Bluetooth calling and message alerts require pairing with a smartphone.
- The listing describes fitness logging for steps, calories, distance, heart rate, and workout history.
- GPS is described as smartphone-based, not built into the watch.
- The seller claims up to 7 days of battery use, but battery capacity figures differ across listing details.
Reference price: $39.99
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- Bluetooth calling and notifications provide phone-connected functions from the wrist.
- Workout and daily activity tracking are described alongside heart-rate monitoring and sleep trends.
- The listing names a range of sports modes and everyday tools such as alarms, weather, and find-phone.
Technical specifications
24 specifications| Brand | Nicdeix |
|---|---|
| Model | HD300 |
| Screen size listed | 1.87 inches |
|---|---|
| Screen technology listed | AMOLED |
| Resolution | 466×466 |
| Wireless connection listed | Bluetooth |
|---|---|
| GPS | GPS Via Smartphone |
| Controls | Buttons, Dial, Touchscreen |
| Phone compatibility | Android Devices, iOS Devices |
| Battery life listed | 7 days |
|---|---|
| Battery type | Lithium Ion |
| Battery capacity listed | 400 milliamp_hours |
| Battery charge time | 2 hours |
| Form factor | Round |
|---|---|
| Weight listed | 0.19 kg |
| Band material | Silicone |
| Case material | Metal |
| Water resistance listed | Water Resistant |
|---|---|
| Water resistance depth listed | 30 meters |
| Storage listed | 32 GB |
|---|---|
| Operating system compatibility | Android 5.0 +, iOS 10.0 + |
| Measured metric listed | Heart Rate |
|---|---|
| Phone communication | Notification, Phone Call |
| Listed applications | Alarm, Find My Phone, Multisport Tracker, Time Display, Weather |
What to know before buying
Listing details to confirm
Listing details conflict: the title and feature text say 1.43 inches, while the technical details list 1.87 inches. Battery capacity is listed as both 400 and 600 milliamp_hours, and GPS is described as smartphone-based despite promotional copy mentioning GPS and offline maps. The compass in the title is not clearly confirmed in the technical details. Clarify these specifications and the claimed 30-meter resistance before relying on them.
What’s in the box
Included- Charging cable
- Smartwatch
- User manual
- Watch band
Who is it for?
A good fit for
- Buyers seeking a Bluetooth smartwatch for calls, alerts, and basic activity tracking while carrying a compatible smartphone.
- People who want a round AMOLED watch with listed heart-rate tracking and multiple workout modes.
Less suited to
- Buyers who need confirmed built-in GPS or offline navigation without a phone.
- Buyers who require settled display and battery specifications or a clearly defined water-use rating.

Customer reviews on Amazon
- 5 stars
62% 62% - 4 stars
0% 0% - 3 stars
38% 38% - 2 stars
0% 0% - 1 star
0% 0%
The available aggregate ratings are positive overall but come from a very small sample, with ratings spanning five-star and three-star categories. They do not explain what customers liked or disliked, so they offer limited guidance on calling, tracking, battery life, or the listing's conflicting specifications.
Frequently asked questions
Does the HD300 have built-in GPS?
The listing says GPS is via smartphone. A separate promotional section mentions GPS and offline maps, so built-in GPS is not clearly established.
What size is the display?
The title and feature copy state 1.43 inches, but the technical details list 1.87 inches. Confirm the size with the selected listing before buying.
How long does the battery last?
The listing claims up to 7 days and about 2 hours to charge, but it gives conflicting battery capacities of 400 and 600 milliamp_hours.
What comes in the box?
The listed contents are a charging cable, smartwatch, user manual, and watch band.

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