HoMedics SoundSpa Portable Sound Machine:
- Natural sounds help you relax while you read, work, study or sleep
- Six digitally recorded, calming sounds: ocean, summer night, rain, rain forest, waterfall, and heartbeat
- 15, 30 or 60 minute auto-off timer
- Compact & lightweight for easy portability
- Battery or adapter operated (adapter included, 4 "AA" batteries not included)
You can buy this at Walmart. It makes a great addition to any fly tyers work-station!