boAt Wave Call 3 Review: A Big Screen and Bluetooth Calling on a Budget
1.83-inch display, BT calling, IP68, heart rate and SpO2. Here is which of those hold up and which need reading carefully.
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20,000mAh, 33W, three output ports. Here is the realistic charge count and the two specifications worth checking before you buy.
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DPI is the number most advertised and the least useful. Shape, weight and connection type decide whether you will still like the mouse in a year.
Why a 20,000mAh Power Bank Never Gives You 20,000mAh
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IP68 and 5ATM are not two ways of saying the same thing. One is about dust and splashes, the other about depth — and neither covers hot water.
SpO2, ECG and Blood Pressure on Budget Watches: What the Numbers Mean
Health features sell wearables, and the gap between what they measure and what they claim is widest at the budget end. Here is what each one is really doing.
Smartwatch or Fitness Band: Which One You Actually Need
The two have converged enough that the decision comes down to three practical questions rather than a feature list.
Smartwatch Battery Claims and How to Read Them
A watch advertised at 14 days will often need charging twice a week once you switch on the features you bought it for. The gap is predictable.
Smart Plugs: What They Can and Cannot Automate
A smart plug turns power on and off. That is enough for some appliances, useless for others, and unsafe for a few.
SanDisk 1TB Portable SSD Review: The Drop Rating Is the Point
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A power bank is a large lithium cell you carry in a bag. Most are entirely safe; the ones that are not share a small number of recognisable traits.