Take a deep breath with this USB Rechargeable Crystal Salt Stone Humidifier Choose from pink, white and green  Clean and revitalise the air in your room of choice Reaches up to 10 square metres Plus in via USB - spray lasts approximately 10 hours in total Dimensions: 96.5mm x 96.5mm x 112.5cm  Feel rejuvenated with this USB Rechargeable Crystal Salt Stone Humidifier - save 64%