D-pad really good, buttons at the front a little shaky but respond well anyway. Shoulder buttons rather cheap and loud crack each time you press, what annoys the time, especially other.
Battery lasts a long time. Is charged via USB, a cable is attached.
The holder fits perfectly for 4.3 "phones, but also creates 5".
From Android 4.1.2 native support, otherwise there Bluez IME and the additional package Bluez IME HID, which makes the signals of the pads understandable the Android OS.
Now the Big Kanckpunkt. Many Androids do not support these pads! While the support from the operating system would be there, but many manufacturers make several errors in the implementation of Bluetooth. On the black list include in any case all phones with Mediatek processors (MK65xx). Androids with Cynanogen against running well, even if the original firmware might not be soon running with the pad. Did I even found so. So if it do not work, it is guaranteed more frequently on the phone when the pad.
Otherwise, a low-priced but great product. Was for a time very happy with it.