Product discription:<br /> Storage capacity: 16GB/32GB/64GB/128GB/256GB<br />  Interface: USB 2.0<br />  Environment Temperature: -40C - +70C<br /> Storage Temperature: -50C - +80C<br />  USB Service Voltage: 4.5V-5.5V<br />  Storage Lifetime: More than 10 years<br />  Use A-class chip｣ｬ can be erased repeatedly for 100｣ｬ0000 times<br />  Operating System: Win98/ME/2000/XP/ Vista/win7 /win8｣ｬ Mac OS 9.X/Linux2.4 or above<br /> USB connection:support Hot plug & Play.<br /> Easy to read and read in high speed ｣ｬNo need drive/power supply only plug in.<br />Product Weight: 9G<br />Style: Bullet<br />color: Gold｣ｬ  Silvery