AI Smartwatch Articles - Page 2 of 4

Bluetooth Basics (VII): Multiplexing and Data Scheduling Center of the Bluetooth Protocol Stack

2026-07-01 by boardor

liwen01 2025.11.08 Introduction Let us analyze a simple application scenario: a smartwatch and a pair of Bluetooth headphones that are both connected to a mobile phone. The smartwatch requires the following functionalities: Real-time display of phone calls/messages notifications (low-latency signal transmission) Synchronization of health data (such as heart rate, steps, sleep, etc.) Control music playback … Read more

Is the Nighttime Oxygen Monitoring of Smartwatches Accurate? How to Self-Check at Home Without Tools Against Abnormal Symptoms?

2026-06-29 by boardor

[Image] “My child bought me a smartwatch that claims to measure blood oxygen levels while I sleep, but I found that the values it reports are higher than those from a medical pulse oximeter. How reliable are these results?” In the “Breathing Watch” discussion group, Ms. Zhao, a patient with COPD, raised a question that … Read more

Found a Smartwatch, Can Anyone Help Identify the Brand?

2026-06-15 by boardor

As the title suggests, I found a watch on the road, but I couldn’t find out what brand it is. I want to buy a charging cable but don’t know how to choose. I searched and found that if it is not charged for more than 60 days, it may not be able to charge … Read more

Smartwatch Sleep Tracking: Scientific Assistant or Digital Placebo?

2026-06-14 by boardor

Your smartwatch claims to track your sleep, but is its data really reliable? With the increasing awareness of health, more and more people are using smartwatches or fitness bands to monitor their sleep. These devices can provide data on sleep duration, distribution of deep and light sleep, but they cannot directly measure brain waves, which … Read more

Smartwatches Finally Connect Directly to Satellites! Qualcomm Snapdragon W5 Second Generation Makes Its Mark

2026-06-04 by boardor

Lei Technology AI Hardware Group | Editor: Tianxing | Supervisor: Luo Chao Smartwatches have finally entered the era of “direct satellite connection.” Recently, Qualcomm officially released the second generation Snapdragon W5 wearable platform. Compared to the previous generation, this chip introduces NB-NTN satellite communication capabilities for the first time, allowing smartwatches and fitness bands to … Read more

The Most Powerful Smartwatch Yet! 2.8-Inch Screen with Camera, Capable of Running Android 12

2026-05-21 by boardor

Last August, I wrote about a peculiar smartwatch, or rather a “phone that resembles a watch”. It was originally a device provided by SF Express for couriers, but later it became popular on second-hand platforms. Today, I found that this device has not dropped in price over the past year and has even increased by … Read more

The Most Intense Discipline in the Running Community of 2025: I Outran Anxiety by Removing My Smartwatch!

2026-05-21 by boardor

Runner Running Assistant At 5:30 AM on the city riverside running track, 28-year-old internet operator Lin Yue raised her hand for the 17th time — the screen displayed “Pace: 5 minutes 42 seconds, 12 seconds slower than yesterday,” a reminder that pricked her like a needle, prompting her to instinctively quicken her pace. Thirty minutes … Read more

Latest Global Smartwatch Market Trends with Comparison of Honor Band 6 and Redmi Watch

2026-05-18 by boardor

Recently, the market research firm Counterpoint released its global smartwatch market report for the third quarter of 2020. Figure 1: Global smartwatch shipment share by brand Q3 2020 vs Q3 2019 The report shows that the smartwatch shipments in the third quarter of 2020 increased by 6% year-on-year, with the top 5 brands accounting for … Read more