Knog PWR Sound is a bluetooth speaker and part of the comprehensive PWR collection, which offers interesting products for cycling and outdoor, and uses PWR power banks as sources. It is waterproof and compatible with small and medium PWR powerbanks (not included). The speaker can be mounted to bike frames and other tubes, using the PWR Frame mount, which can also be purchased. Two built-in 40mm speakers Range 25 meters Dimensions: 97 x 48 x 129 mm HoursPowerbank 50% volume 100% volume 3350 mAh 30 hrs 10 hrs 5000mAh 40 hrs 14 hrs
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