Hello Kitty Relaxation Eye Mask, a plush sleep mask with integrated Bluetooth wireless headphones. It is designed for "cozy comfort" while providing "soothing audio," such as music or meditation sounds, directly to built-in speakers. Battery Life: Offers approximately 10 hours of playtime on a single charge. Charging: USB rechargeable with a 1-hour charge time; the box typically includes a USB charging cable and user manual. And a LITTLES SCENTED HELLO KITTY BACKPACK