· This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day limited hardware warranty.· Next-level music with Edge-AI, co-developed with Sony Music Studios Tokyo· Up to 30-hour battery life with quick charging (10 min charge for 5 hours of playback)· Touch Sensor controls to pause/play/skip tracks, control volume, activate your voice assistant, and answer phone calls