Home Office

How Many mAh Do You Need in a Power Bank?

Choosing a power bank by capacity seems simple: more milliamp-hours should mean more charging. Technically, it is not that simple. A 10,000mAh portable charger does not deliver 10,000mAh directly into your phone battery. A 20,000mAh model does not necessarily recharge a 5,000mAh smartphone four times. And a high-capacity battery pack may still be a poor…

AirTag 2 Technical Guide: How Apple’s Tracker Works, Precision Finding, Compatibility, and Limitations

The AirTag 2 is Apple’s second-generation item tracker, designed to help locate personal belongings such as keys, backpacks, luggage, wallets, equipment cases, and other objects through the Find My network. At first glance, the second-generation AirTag looks remarkably similar to the original 2021 model. The important changes are internal: Apple added its second-generation Ultra Wideband…

Wyze Cam v4 Technical Guide: Specifications, Storage, AI, Security, and Setup Explained

The Wyze Cam v4 is a compact wired smart security camera designed for indoor and outdoor monitoring. Its feature set includes 2.5K QHD video, color night vision, an integrated spotlight, local microSD recording, two-way audio, motion detection, smart-home integrations, and optional cloud-based AI services. On paper, that makes it look simple: connect the camera, point…

PLAUD Note Pro Technical Guide: Recording, Transcription, AI, Privacy, and Subscription Limits Explained

The PLAUD Note Pro is a credit-card-sized digital recorder built around a specific workflow: capture conversations with dedicated hardware, transfer the recordings into the Plaud ecosystem, transcribe them, and use AI to turn the resulting text into summaries, action items, structured notes, and searchable knowledge. That sounds straightforward, but the technical details matter. The Note…