Stay breezy on the go with the W Fan. Stylishly simple, the W Fan is made with our custom designed fan heads and rechargeable lithium ion battery. USB charging cable and hair-tie included. 3 hour charging time. Fan features: USB Charging Port, Internal Batter, 2 Fans (each equipped with 5 ultra quiet blades), On/Off Button and a 3 Speed Control. Fan arms are adjustable for variable neck lines and posture. 7.3 inches x 1.4 inches x 10.6 inches. Weighs .4lbs. Available in Black or White