Data transfer rate 20 (MB/s) Maximum read speed 20 (MB/s) Maximum write speed 8 (MB/s) Interface USB 2.0 Shell material Plastic Write protect switch not supported indicator no function waterproof and shockproof U disk Features Chinese style Product size 41.5mm*17.6mm*7.4mm Weight 2.5(g) OEM can OEM processing methods to sample custom open mold custom plastic U disk Gift Uses Advertising gifts, promotional gifts, points redemption gifts, awards gifts, business gifts, conference gifts, personal gifts, promotional gifts, festive gifts, public relations gifts Memory capacity 8GB color New capacity 4GB, 8GB, 16GB, 32GB, 64GB, 2GB, 1G, iron box