Kalm Now® HiFi Headphones for Sound OFF Workouts -with RF Transmitter | 3 Channels | Bluetooth Ready | Lightweight Headsets for Noiseless Experiences. Hit Your Stride in Style: HiFi Silent Disco Headphones System Take your workouts, yoga sessions, Silent Karaoke or outdoor adventures to the next level with the HiFi Silent Disco Headphones System! Crank up the music without disrupting your surroundings. This system is perfect for creating a personalized sound experience, ideal for: * Fitness Fanatics: Immerse yourself in your workout playlist without bothering those around you. Perfect for group fitness classes, yoga, Pilates, Breath Work sessions or Cold Plunges! * Silent Disco Stars: Throw epic silent disco parties with crystal-clear audio. These headphones boast an impressive range, allowing you to dance the night away, wherever the vibe takes you.