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The shell of this cube power strip is quite sturdy and glossy (on its edges). On one side, it has 3 USB ports (1 Type-C and 2 Type-A) with a switch and power LED. The switch simultaneously activates/deactivates all the USB ports and the 3 Schuko outlets. The sockets and the plug are safe and grounded. The power supply cable is thick and durable with a length of only 1.5 meters. The cube power strip weighs almost 200 grams and supports up to 2500W load. I tested it with a vacuum cleaner and a hairdryer with a total load of 2350W, and its performance was excellent. It did not heat up at all and worked flawlessly. The USB ports support up to 12V and are compatible with PD3.0, QC3.0, Apple, Samsung, and Huawei chargers. I measured a maximum output of 1.70A 11.95V (20.38W) when charging the Mi power bank 3 Pro. The standby power consumption without any connected devices is 0W. I have also tested it with a television, computer, and PS4, and it has been very convenient for me because it takes up minimal space and stays stable in place. It is quite safe thanks to the 4 built-in protections (over-load, over-current, temperature, and surge). You can see a comprehensive demonstration of the power of the PowerCube BlitzWolf BW-PC1 in the following detailed video: https://www.youtube.com/watch?v=-Tz9usN9wew

This specific charger has a new technology (BPS II) that allows for simultaneous fast charging of 2 devices, while most chargers disable fast charging and lock the output voltage at 5V when all ports are in use. I tested the BPS II function on dozens of devices and the fast charging worked flawlessly. The charger's dimensions are small compared to its high performance. The package also includes a Type-C to Type-C 100W cable, saving you from additional expenses.

The Type-C port reaches up to 100W (20V5A) in PD3.0 (PPS) QC4+ and the Type-A exceeds 65W (20V) in QC3.0. It supports most charging protocols such as PD3.0 100W (PPS) QC4+, Apple 5V/2.4A, Samsung 5V/2A, BC1.2 DCP 5V/1.5A, Vivo Dual Flash 5-12V, Qualcomm QC2.0/3.0 20V (and Mi Turbo Charge), Samsung AFC 9-12V, Huawei FCP 5-12V, Huawei SCP 5.5-10V/2A.

In standby mode, its power consumption is 0.6 to 0.8W. Another advantage it has is the very low temperature it maintains even when charging a Macbook, laptop, or other devices that require 15V and above. I measured a maximum temperature of 40 degrees under high loads. The following video contains numerous compatibility tests for charging and detailed measurements of maximum output values: https://www.youtube.com/watch?v=t9fzlJAMfXE

The Maxell 24-power pack batteries come in a hard plastic case with a clip for opening and closing. I think it is the only company worldwide that offers this packaging for such a low price of batteries. Inside the sealed plastic case, the batteries are also sealed in groups of 6. I have tested them in devices such as a mini flashlight, remote control, watch, and mouse. They all worked flawlessly, and the average battery life in low-consumption electronic devices was 1 year. Their casing and contacts are made of very good materials. I measured their output voltage (out of the box) at 1.61V. I used a BF-2A battery holder device to measure the maximum output current of the batteries. At 1.51V, I measured a maximum output current of 0.3A. In this video, you can see all the tests, unboxing, and the first detailed presentation of the batteries: https://www.youtube.com/watch?v=EzTs3O4uDXU

The new wireless keypad from Sandberg comes in the classic blue packaging that includes a USB-A to USB-C charging cable, 80 centimeters long, and a 2.4GHz USB adapter stick. It also works without the adapter, as it has Bluetooth connectivity. It also includes a well-written user manual in English that explains all the connection functions and general instructions.

The keypad is quite large with 36 keys, like a regular keyboard without the Print Screen key. It is only 1.6 centimeters thick and weighs almost 132 grams. It is made of durable plastic with thin, high-quality laptop-style keys. I tested it on Windows 7 and 10, as well as on Android devices. It works without any problems on these operating systems and does not require drivers. It can send up to 3 simultaneous keystrokes and has very good speed.

It also has macro keys for Excel and the Calculator application. It comfortably meets the needs of those who want a keypad for scrolling, navigation, databases, office suites, or anything else related to number input. It has a Type-C charging port and can function while charging. It automatically turns off after 3 minutes of inactivity to save battery. When it turns off, you need to press one of the numeric keys twice to display the number on the screen. However, if you press any other key once, it works immediately. This is the only drawback it has. I have a mini gaming keyboard without arrow keys and a numpad, so the Sandberg Wireless Numeric Keypad Pro has been incredibly helpful for me. You can see a detailed test and product presentation from Greece here: https://www.youtube.com/watch?v=jrVZak_KF10

The solar LED light tube comes in many variations (length, LED colors). I have the 7-meter version with 50 multicolored LEDs. The bulbs are small, quite bright, and placed inside a transparent PVC tube that provides great protection. They are waterproof for outdoor installation in rainy or snowy conditions. The solar panel is also waterproof, as long as you don't submerge it in water or snow. I tested them in heavy rain for days and they worked perfectly.

Inside the photovoltaic panel, there is a pre-installed rechargeable AA 1.2V battery. Mine had a detachable no-name 600 mAh battery that I replaced with an eneloop 1900 mAh battery, and the difference I saw was huge (it powers the LEDs for up to 12 hours, while the pre-installed one only lasted 6 hours).

On the back of the panel, there are 2 clicky switches: one for on-off and one for the 8 different modes. The included ground spike for mounting is quite convenient and user-friendly.

The panel has a day-night sensor that automatically turns the LEDs on and off, and it works perfectly. The brightness of the LED lights is very good for their price, as they can be seen even from a distance of 45 meters (when placed on a balcony of a multi-story building). The cable doesn't get tangled since it is in a tube, but keep in mind that it is 5 meters long with an LED tube and 2 meters of regular cable that connects to the solar panel.

Watch the detailed video review before purchasing to learn more about them: https://www.youtube.com/watch?v=rjkjhwvaR4g

Αρκετά ποιοτικό και ανθεκτικό silky braided καλώδιο με επιχρυσωμένες επαφές. Υποστηρίζει στερεοφωνικό ήχο, όχι όμως μικρόφωνο. Έχει και στις δύο άκρες αρσενικά βύσματα 3.5mm και βγαίνει σε 6 εκδόσεις με μήκη απο 0.5 μέχρι 5 μέτρα. Το περίβλημα του βύσματος είναι μεταλλικό, πολύ ανθεκτικό και μικρού πάχους πράγμα που το κάνει εξαιρετικά βολικό σε περιπτώσεις όπου οι θύρες ήχου είναι πολύ κοντά μεταξύ τους. Το δοκίμασα σε bluetooth φορητό ηχείο, σε ηχομπάρα, MP3 player και σε τάμπλετ. Δεν παρατήρησα καθόλου παράσιτα, αποσυνδέσεις και καθυστέρηση στον ήχο αν και το μήκος του είναι 5m.
Επίσης το δοκίμασα σε FM trasmitter όπου σύνδεσα μέσω ραδιοφώνου ένα φθηνό κινητό απλής χρήσης με MP3 player. Το Vention καλώδιο έχει πολύ καλή απόδοση και ένταση ακόμα και στα χαμηλά μπάσα. Σε αυτό το review βίντεο φαίνονται η ποιότητα εξόδου του καλωδίου στα τεστ που έκανα: https://www.youtube.com/watch?v=VCofaSKXOvA

The LM2596 DC voltage converter (Step-down Buck Converter Module) supports conversion from high (4 to 40V) to low voltage (1.25 to 37V) and not the other way around (low to high). It comes sealed in an anti-static bag without instructions. It features a 3-digit display that shows the input and output voltage. The PCB board, components, and connections/soldering of the LM2596 are well-made. The voltage readings are 0.2 to 0.3V lower than the actual values (verified with a reliable multimeter). Additionally, after conducting experiments, I found that the maximum output current is 2A. At 3A (as stated by the manufacturer), there is significant overheating of the mosfet and the PCB in general. If the devices/circuits connected to the LM2596 require a current higher than 1.5A and there is a large voltage difference between input and output, then a fan and heatsink should be added to avoid high temperatures. In this video, you will find a detailed presentation and testing of the product using a laboratory power supply and various LEDs: https://www.youtube.com/watch?v=VvmITUFzupk