Introduction

The BSNL 4 IN1 Unisex ULTRA Watch B004 promises a lot: Bluetooth calling, fitness tracking, a vibrant display, and even wireless charging. But does it deliver on all fronts? I’ve been wearing this smartwatch for the past few weeks, putting it through its paces with daily use and rigorous testing. This in-depth review will delve into its strengths and weaknesses, providing you with the information you need to make an informed decision.

Features

The B004 boasts a 2.19-inch “INFINITE” display with a 320×240 resolution, which is surprisingly crisp and bright. The touch responsiveness is generally good, although there were occasional instances of slight lag. The square design with its aluminum alloy body feels premium and lightweight, while the silicone straps are comfortable even during extended wear. The inclusion of three different straps is a nice touch, allowing for customization. Other notable features include Bluetooth 5.1 for stable connectivity, a variety of sports modes, and essential health monitoring features such as heart rate, blood oxygen, and sleep tracking. The built-in microphone and speaker enable hands-free calling, which worked surprisingly well during my testing. Wireless charging is a definite plus, eliminating the hassle of fiddling with charging cables.

Performance

The smartwatch’s performance was largely satisfactory. The Bluetooth connectivity was consistent, with minimal dropouts during calls. The accuracy of the health monitoring sensors was comparable to other smartwatches in its price range. While not perfectly precise, the heart rate and sleep tracking provided useful insights into my daily activity. The various sports modes worked as advertised, accurately recording steps, distance, and calories burned. The battery life is decent, lasting around 2-3 days on a single charge with moderate usage, which aligns with the manufacturer’s claims. Wireless charging proved convenient and efficient.

However, there were a few minor shortcomings. The blood pressure and blood glucose monitoring features felt less accurate than other dedicated health trackers, so I wouldn’t rely on them for medical decisions. The user interface, while functional, could be improved with a more intuitive design. Navigation wasn’t always the smoothest.

Pros & Cons

• Pros: Vibrant display, comfortable design, Bluetooth calling, wireless charging, multiple straps, decent battery life, good fitness tracking features.
• Cons: Occasional lag, less-than-accurate blood pressure/glucose monitoring, user interface could be improved.

Final Verdict

The BSNL 4 IN1 Unisex ULTRA Watch B004 (Model B004) offers a compelling combination of features and affordability. While it may not be perfect, it delivers excellent value for its price. The vibrant display, comfortable design, and convenient Bluetooth calling make it a strong contender in the budget smartwatch market. If you’re looking for a stylish and functional smartwatch with essential health and fitness tracking capabilities, the B004 is definitely worth considering. However, keep in mind that the accuracy of its health features is not as precise as dedicated medical devices.