Battery supplied, short manual but for once well translated,
This is not bluetooth, just an electrical circuit that forms a "field" around the tip, imitating a finger.
The tip is relatively thin, for comparison, it's like a 2mm mechanical pencil rounded point
it slides well, hold well in hand, on a HTC one m8 AC works great, such as a tablet asus under Win8.
As there is no software / app to manage the stylus,
Inconveniant 1: If the app that we've been using do not recognize the palm of the hand, on "scribouille" across the palm
1 advantage: virtually no delay between writing and al screen apparution
