Sony NW-WS413BM WS Series 4GB Wearable Waterproof MP3 Player

Designed for active professionals and teams, the Sony NW-WS413BM wearable waterproof MP3 player delivers reliable, high-quality audio wherever work takes you. This Sony Walkman-style flash MP3 player is purpose-built for swimmers, runners, coaches and security personnel who need dependable on-device playback without a phone. With 4GB of onboard storage you can preload playlists, training cues or surveillance briefings directly on the unit, while quick-charge capability gives you 60 minutes of playback after just a 3-minute charge—ideal for shift handoffs or quick training drills. The lightweight 1.13 oz one-piece design stays secure through vigorous movement and is rated for full waterproof use, so it performs in rain, sweat or poolside environments. Audio reproduction spans 20 Hz–20 kHz for clear voice prompts and motivating music that supports monitoring and security training scenarios. Easy drag-and-drop file management keeps deployment simple for IT and operations teams. Upgrade how your staff, athletes or surveillance teams listen and train — add the Sony NW-WS413BM to your toolkit today.

• Swim, run and train with confidence thanks to a fully waterproof, one-piece wearable design that keeps music playing in all conditions.
• Built-in 4GB storage stores playlists on-device so staff and athletes can workhands-free without a phone or extra hardware.
• Quick charge provides 60 minutes of playback after just 3 minutes of charging, minimizing downtime between shifts or sets.
• Ultra-light 1.13 oz profile and secure fit deliver all-day comfort and stability during intensive activity or long monitoring tasks.
• Wide 20 Hz–20 kHz frequency range delivers clear, motivating audio for coaching, security training and surveillance briefings.
• Simple drag-and-drop file transfer removes IT friction—easy to deploy across teams for consistent audio playback and training content.