* Specially designed ArmBand Case for Sony Walkman NWZ-S638. * Keep your Sony Walkman NWZ-S638 safe from scratches and scrapes. * High density Silicone. * Anti-static coating grips the Sony Walkman NWZ-S638. * Shock absorbing silicone protects device. * Detachable armband. * With this ArmBand Case that features play-through access and a form-fitting design to minimize bulk.