The positives first: the sound is really neat, though not at the level of a Bose sound or similar links, handy and robust the Zens speaker is. BUT: contrary to the description there's no real status LED, ie you only know that the battery is empty when the -extremely nervige- beeps every 10 seconds. Ahead there is no evidence concerning the battery level. The keys are also not optimally attached to the front side, because you always have to hold the speakers when you press. For charging the phone this must be accurately positioned, otherwise cancels the charge. This will then appear irritating, by a green LED (which in the Spartan instructions no mention is made), in "red" is loaded correctly. When my older Nokia Qi charger, the phone must not be placed so precisely. Even missing a rubber coating of the top, because the phone is not adequately secured against slipping. As a mobile loudspeaker with the possibility it's battery from your smartphone to reload quite well. As a replacement for a good stationary charging station less suitable, especially as it does not simultaneously charge the speaker and use qi to according to instructions. Considering the decent price 3 star in my opinion are fair, especially since a halfway reasonable Mono BT speakers as early as the 20, - costs ..