cooling mat ,cool cushion, fan cushion power: usb keep hips cool , no sweat soft&sturdy material best summer gifts Cooling mat with fans , cool cushion, fan cushion , usb air condition mat, office cool cushion main parts: advanced plastic pad with heat dissipation functionhigh class oxford fabric , cold air fan size: usb rope : 1.5m cushion : 40*50*1cmOne pcs weight: 380gpower supply : 5V (Volt ...