100 Pack Flash Drive Bulk USB drives can be used for wholesale, office supplies, promotional gifts, exhibition gift, gifts for celebration and school souvenirs and so on. Bulk purchase can save much costs and make life easier. It is used to store different types of files such as photos, videos, documents and music. Basic and powerful LED indicator design --- when your computer is recognizing the flash drive, the LED indicator will light up. Portable Size --- the mini size make this flash drive portable. You will find it so convenient in your daily life. Keychain design --- the hole at the end of the metal clip is designed for a keychain. Never lose your flash drives. Premium material, wear-resisting and rust protection, exquisite workmanship. KEXIN Bulk USB Thumb Drive Good quality, swivel design, lanyard-hanging design.Easy to use, plug and play, no need to install any software.Flash drives totally BLANK, without any LOGO on it, Great for Customerzitaion.The USB flash drive uses grade A flash chip, makes file transfer more stable and provides safety storage for files. Media Formats Supported by KEXIN Flash Drive --- Music: M4A / AIFF / CAF / MP3 / WAV; Image: GIF / JPG / PNG / JPEG; Video: AVI / FLV / M4V / MKV / MOV / MP4 / RMVB; Document: DOC / PPT / XLS / XLSX / PDF / HTML / TX. You can transfer documents at anytime anywhere. Small dimensions easily fits in the pocket or purse and will not occupy extra space, makes it easier to carry around. No need to install any software or be connected to internet, just plug the thumb stick into devices and play. Grade A, original brand flash memory chip Writing speed 3MB/S-6MB/S Reading speed 6MB/S-12MB/S Durability 50,000 times read and write Operating Temperatures 32° to 140°(0° to 60°) Storage Temperatures -4° to 185° (-20° to 85°)