1.Bluck Flash Drives: 4GB thumb drives 10 pack and 20 pack 1GB USB flash drives with 30 lanyards. USB thumb drives with flexible storage and color options! Perfect for business needs, events, giveaways, or personal use. These versatile storage solutions work great whether you're handling corporate projects, or just organizing your digital life. 2. & : This pocket-sized USB memory stick(2.27' x 0.75') travels effortlessly with you. USB flash drives featuring a 360-degree metal swivel cap that guards the USB port, mini USB flashdrive pen drive rugged aluminum casing withstands daily wear & tear. The flash drive pack is equipped with a detachable lanyard and can be easily attached to your key chain or bags to avoid losing and for easy carrying. 3.Zero-Setup Convenience: Plug and play USB drive pack, no need to install any software - even your grandma can use it. Zip drive USB can instantly work on any device - just plug in and start transferring files. USB key has universal compatibility with windows: XP, Vista, 7, 8, 10 & 11. USB 2.0 flash drive is backwardly compatible with 1.1 ports, perfect for older laptops and car stereos. 4.LED Indicator: The end of the USB jump drive is designed with an indicator. The LED indicator lights up when you plug the flash drive USB into the devices, the light blinks while write/read activities are in process. In this case, do not remove the jump drives multipack. Otherwise, data integrity and the life of the USB sticks are affected.