... Bulb shape usb flash drive1,Material:silicon,stainless,wooden,abs,pvc,leather housing are available2,Samsung&hynix oringial flash chip3, ... read&write speed:12MKB/6KB9,Certificate:CE,FCC10,Usb flash drive with ROHS compliant11,Other requriments:hot stamping,embossing, ... , by sea14,Production time: 1-7days Bulb shape usb flash drive Capacities256MB,512MB,1GB,2GB,4GB,8GB,16GBOperating Temperatures320 F ...