eature:·  Support USB version 2.0·  Hot Plug & Play·  Durable solid-state storage·  No external power is required 4.5V ~ 5.5V from USB port·  Compatible with USB 1.1/2.0·  Operating Temp: -10 to +55Deg.C·  Storage Temp: -20 to +55Deg.C·  Life:1 million times·Read Rate: 10Mb-28Mb/S    Write Rate: 3-8 Mb/S·  Excellent USB Memory stick in excellent conditionAbout capacity:4GB   = approximately 3.6GB-3.8GB8GB   = approximately 7.4GB-7.6GB16GB = approximately 14.4GB-14.8GB32GB = approximately 28.5GB-30GB64GB = approximately 58.5GB-60GB128GB = approximately 110GB-124GVendors are using Flash memory decimal arithmetic: 1 MB = 1000KB, 1G = 1000 MBCalculated, operating system with binary arithmetic: 1 MB = 1024KB, 1 GB = 1024 MB;So there are some differences between display capacity and nominal capacity of flash memory productsAttention:1. To avoid data loss or mechanical damage, do not power down your computer or unplug flash disk during transfer.2. Please do not remove your USB flash drive when it is being used otherwise your data may loss.3. After using USB flash drive, it is better to remove it as soon as possible. That will helps to extend its storage lifetime.Package included:1 X USB Flash DriveKey USB Flash Drive 64GB Metal Pendrive 4GB High Speed USB Stick 32GB Pen Drive 16GB USB Flash 128 gb flash drivesShipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .ReturnIf the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in goodcondition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.If you are not satisfied with our products or services, please let us know and give us an opportunity to correct them. We will definitely let you experience our intentions and persistence. Thanks again for coming. Your presence is your trust in us and your greatest support. We cannot live up to this trust. We will do our best to help you solve problems and make you 100% satisfied. Your satisfaction is our eternal pursuit. Finally, thank you for choosing our store. I wish you a happy shopping and a happy life. Thanks for coming!