... pink,blue,green,black.* USB disk, built-in USB disk management function* one AAA battery* Built-in flash memory:128MB- ... 128MB ,256M,512M,1GB,2GB,4GB,8G(Optional)3.Storage Device Removable Storage Device4.EQ Mode N/A .Technical Specification 1..Read ... Physical characteristics 1.Battery Type Rechargeable lithium-ion polymer battery2.Storage Temp* -20 ~ +553.Ambient Temp* -10 ~ +554.Operation Relative ...