Pet Tunes is a mobile Bluetooth speaker pre-loaded with science-based original music by Pet Acoustics. Pet Tunes music is tuned specifically for sensitive canine ears proven to ease behaviors in any environment. Features easy click and play with a built-in repeat mode. USB charge lasts 5-10 hours or 24/7 with an USB/AC adaptor. Pet Tunes keeps dogs calm while home alone, with separation anxieties, during thunderstorms, for barking, crate training and portable for travel. Pet Tunes designed music by composer and researcher, Janet Marlow is clinically proven and endorsed by veterinarians. Entrepreneur Magazine named Pet Acoustics “Top 100 companies for brilliant ideas”. Pet Tunes pairs to your personal library using Bluetooth. Comes with a USB charger/ and a wrist strap to hang anywhere. Pet owners enjoy the music too.