1.N.W: Ultra light weight(10gs only),ergomonic design
2.sizes: Inner perimeter
sizes:14cm(XXS),15cm(XS),16cm(S),17cm(M),18cm(L),19cm(XL)
3.colors:white ,black,red,yellow,blue,orange,pink,more than 8 colors.
4. water resistance function
5.Negative ion emittance(300-2000ions per cc)
6.Far infrared ray emittance(more than 90%)
7.2-3days for samples lead time,7-15 days for products lead time
8.Welcome to inqure for detail and OEM orders.
