Metal Series Mini USB 2.0 Flash Disk with Keychain (4GB) Tag-Laser Machines Frequency: up to 250MHz

Frequency: up to 250MHz

Working temperature: -40-75 degrees Celsius

S2 aluminum alloy housing body with pen shape design

Replace some screen screws

Support external SD card (128G max

Metal Series Mini USB 2.0 Flash Disk with Keychain (4GB) Tag-Laser Machines Frequency: up to 250MHz1) U disk capacity: 4GB 2) Transfer speed: 10 24M s (actual speed and computer configuration) 3) U disk interface type: USB 2. 0 4) Storage media: flash memory 5) Operating System: General 6) Super quality and high performance 7) USB stable a grade flash chips 8) Color: as picture 9) It's great gift to your friends 10) Material: Metal Specification: Package Weight One Package Weight 0. 07kgs 0. 14lb One Package Size 13. 8cm * 10. 5cm * 2cm 5. 43inch *