Microwaves are essential kitchen appliances that offer convenience by reducing cooking time. Key features to consider include power, measured in watts, which affects cooking speed and energy consumption, and capacity, measured in liters, which determines the appliance's size and suitability for different kitchen spaces. Predefined settings are useful for cooking without monitoring time and power, and essential functions include defrosting, keeping food warm, and easy cleaning.

During Black Friday 2024, Samsung Galaxy models, including the Galaxy A15 and Galaxy S23, are available at significant discounts, with the Galaxy A15 priced at R$ 808 and the Galaxy S23 at R$ 2,600 with a coupon. However, some models like the Z Flip 5 and A55 are not as attractively priced, with the Z Flip 5 being more expensive than current releases and the A55 maintaining its price since July.

The article provides an analysis of iPhone prices during Black Friday, highlighting the iPhone 14 Plus as a cost-effective option at R$ 4,000, with further discounts available for Santander credit card holders via Mercado Livre. It advises against purchasing the iPhone 15 Pro and iPhone 15 Plus due to their higher prices compared to previous months, suggesting the iPhone 16 Pro as a better investment. The piece emphasizes the importance of comparing current prices with historical averages to make informed purchasing decisions.

The Motorola Edge 50 Ultra reintroduces the 'Ultra' label with significant improvements in camera capabilities, featuring two 50 MP lenses and a 64 MP telephoto lens, surpassing competitors like the Galaxy S24 Ultra and iPhone 16 Pro Max in zoom quality. Equipped with a Snapdragon 8s Gen 3 processor, 12 GB RAM, and 512 GB storage, it offers high performance. The 6.7-inch pOLED display with 144 Hz refresh rate and advanced connectivity options like Bluetooth 5.4 enhance user experience. Despite a smaller 4,500 mAh battery, its 125 W fast charging is impressive, reaching full charge in 20 minutes. However, issues like device heating during intensive camera use and limited photo format options are noted. Priced under R$ 5,000, it offers a competitive alternative to higher-priced models, though it lacks some features like a native gallery app.

The iPhone 16 series introduces new features, including an external camera button and integration with Apple Intelligence. The iPhone 16 Plus now includes the A18 chip, increased RAM, and a 120Hz display. Discounts are available through various coupons, with specific advice on where to purchase for the best deals. The article evaluates the cost-effectiveness of buying different iPhone models from various retailers, highlighting that some models are cheaper at specific stores.

Early Black Friday promotions have started appearing in online stores like Mercado Livre and KaBuM!, offering deals on smartphones and computer parts. Mercado Livre highlights free shipping for Meli+ subscribers and a notable discount on the Poco X6 Pro smartphone. KaBuM! introduces initial discounts labeled as 'spoilers,' with active coupons for Lexar RAM, selected peripherals, and iPhones.

Amazon has launched a new Kindle Paperwhite model featuring a slightly larger 7-inch screen compared to the previous 6.8-inch version. The device is thinner and offers faster page-turning capabilities. It maintains a 10-week battery life and 16 GB storage. The Kindle Paperwhite Signature Edition includes an adaptive light sensor and supports Qi wireless charging, though the charger is sold separately. Both models retain similar screen size, brightness, and battery specifications.

The article discusses the resurgence of the Sony Walkman, a nostalgic brand from the 1980s, now revamped with modern features like Android OS, Wi-Fi, and Bluetooth connectivity, catering to audiophiles. The new Sony Walkman NW-A306 supports various audio codecs and offers high-resolution audio, distinguishing itself from smartphones and smartwatches. It allows users to download playlists and connect to streaming services, although Spotify does not offer high-resolution audio. The product has received positive feedback for its quality, though it targets a niche market.

Tablets remain a relevant choice for those seeking a middle ground between smartphones and laptops, offering a digital slate for students and professionals, a substitute for books, or a portable TV. The article highlights Apple and Samsung as leading brands, with Apple's iPad and Samsung's Tab series being prominent. Other brands like Xiaomi, Vaio, Lenovo, and Positivo also offer competitive options. When choosing a tablet, considerations include device connectivity, display type, screen resolution, processor, memory RAM, storage, and camera quality. The article suggests prioritizing recent processor generations, higher RAM, and storage capacity for better performance, while acknowledging that higher storage usually means a higher price.

Samsung has introduced the 4th generation of its Galaxy Book line to Brazil, featuring three models optimized for artificial intelligence. Equipped with Intel's new Core and Core Ultra processors, these notebooks offer enhanced graphics, processing, and battery optimization. The Galaxy Book4 Series aims to meet consumer demand for AI in daily use, boasting features like touchscreen capability, 3K resolution screens, anti-glare systems, and data protection with Samsung Knox. A fourth model, the Galaxy Book4, is expected to join the lineup, and previous generation models are now on promotion.