Practice malgrès some connection problems

After 2 months of use.
Instructions reduced to its simplest expression, eg you never know when charging is completed (blue light, red, ....?)
Very sensitive to electrical disturbances radio: sometimes difficult to reconnect to a previously paired device or cuts, but this is a general problem of Bluetooth technology, especially in the street.
Otherwise is convenient because of its size and jack connectors provided: I especially use it to listen to music on my Smartphone with Bluetooth is precisely HS, all coupled to a BT headset "Air Sound" from B.
The battery life is average, kind 3 to 4 hours.