Allows use of smart phone touch screen Offers visual and audio interaction Vibration resistant mount Water resistant design holds tools and parts Phone window size: 2.75` x 4.5` Fits phones 2.75 x 5` (Galaxy S7) or smaller without case Bag size: 6.5` x 3.5` x 3` (Exterior dimensions) - 30 cubic inches The Velotrac iApp features: Navigation map and Trac points Day and night illumination Avg speed / Pace / Total distance Workout history *Cubic inch measurement does not include phone storage area Velcro Straps 6.5x3.5x3` Universal BlackUPC/EAN/GTIN: 793573814906