1.Capacity:1GB~32GB 2.Print your logo 3.Material:Leather 4.Certificate: ... speaker;3, Capacity:512mb, 1gb,2gb,4gb, 8gb, 16gb, 32gb, 64gb;4, Data transfer speed: Read:12mb-25mb/s, ... , seafreight or as required..Working Environment:1, Operating Current: <104ma,2, Suspend Current: <86ma,3, Operating Temperature: -10 ~ 55oc, ... 20% ~ 93%,7, ESD:8KV I/O 1gb-32gb Promotional High-speed Leather USB Flash Drives