M-Wave Rotterdam Smartphone Speaker Bag

The top tube bag Rotterdam Top Tube Speaker Bag has a reinforced bottom and a vibration absorbing, soft pad insert assures a riskless transport of items on the inside.
Integrated into the main pocket there is a splash proof smartphone pocket with a viewing window which allows to use the smartphone.

Integrated wide-band speaker
Integrated wide-band speaker and corresponding jack plug (3.5 mm) fits nearly every mobile phone or MP3 player.

Attachment
Three Velcro stripes make it possible to attach the top tube bag easily and safely on the top tube or the handlebar and on nearly every bike. The material of the top tube bag and the zipper are water resistant.