2011 new warm scarf 1.power supply by usb 2.voltage: 5V,safety 3.60cm long 4.about 40-45 degree

Detailed description:

 1.Surface material: polar fleece

2.USB 5V voltage, safety

3.Dimension: length 60cm, width 6cm

4.Use carbon fiber heating material, healthy

5.Always keep your neck warm when you sitting in front of computer