3 in 1 Power Bank

I have received the 3 Power in Bank 1 for free as a product test. I was not particularly thrilled that the description in English and Chinese was. It took me a while until I have ever looked through. But with a little technical understanding, but then I get the hang of it. And there I was impressed by the variety of Power Bank, I was no point deduction. This Power Bank is for wireless charging of mobile phones, as mobile and stand as a speaker for the mobile phone. If you remove the protective cover at the back are 3 ports to see, 1 USB, 1 AUX and 1 DC-IN. Once located at the two ends of the Power Bank the speaker on one side and the other side has the connections, which is provided with a safety cap. The battery capacity of 3500mAh Power Bank is. The dimensions are 27 x 136 x 27 mm. The power is 2 watts.
In the Power Bank you have on the one hand, where the speaker is not, peel back the lid to access the connectors. To charge the phone using the Power Bank you need the cable, which has already been supplied to the mobile phone. The cable has two USB plugs, 1 small and large USB plug. The small connector is plugged into the phone as usual. The big USB plug goes into the Power Bank and already begins to load. This cable is not included with the Power Bank, just as the large USB connector for charging the outlet from. These two things, however, are attached at any phone. The charging time is approximately 2 hours and 20 minutes. The same period has also charging the Power Bank from the electrical outlet. When charging the mobile phone from the Power Bank the small lights are not flashing. The 3500mAh Li-on battery, Class A cells, extended talk time, music playing time, and surfing time of your phone by up to 8 hours.
Technical Specifications:
Input: 5V, 0.8A; Output: 5V, 1A
Sensitivity: 90 dB ± 3
Frequency response: 200-20KHZ
SNR: 80dB
Power: 2W
PCB with multiple safety protection, overcharge, over-discharge, short circuit and overload protection
4 LED indicators on top to show by the end of battery level. 1 LED: 25% of Power Banks / 2 LED: 50% / 3 LED: 75% / 4 LED: 100% full battery
have CE, FCC, RoHS, MSDS and PSE certifications.
The housing has an aluminum alloy.
Overall, one gets with this device, a well-made mobile battery that looks good and is well stowed and additionally a small (emergency) speakers offers. - And is perfect for a gift, as the combination is something special. I was excited about this product and recommend it very much further.
I give full marks and I think it is a great value for money.