50pcs/lot 4GB USB Flash pen/USB memory pen/USB Flash memory/USB Flash pen

Capacity: 4GB flash memory

Interfaces: USB 1.1 and 2.0

Data transfer speed:

Dual-channel mode:

Reading speed: 12 to 25Mbps

Writing speed: 4 to 14Mbps

Single-channel mode:

Reading speed: 8 to 15Mbps

Writing speed: 2 to 8Mbps

Data retention: 10 years

Data encryption: more than 1,000,000 times

Rate of performance dePends on various operating systems

Supports multiple operating systems

No driver required for Microsoft Windows Me, 2000, XP, Mac 9.x, and Linux Kernel 2.4 OS

Driver needed for Microsoft Windows 98 and 98SE OS

Optional Auto-run function

Optional bootable function

Optional ReadyBoost function under Microsoft Windows Vista system

Packing: per in PolyBag, pieces in one Carton.