come a popular promotion gift, a printed siliconcustomize lanyarde wristband usb flash drive contributes to company event and memorials. The usb wristband can be customized in all pantone colors. Black and white is the most popular. Size can be adult and youth. We can print a logo on the central part of it. Capacity can be 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB,64GB. Operating Temperature is -32°F to 140°F (0°C to 60°C). Storage Temperature is -4°F to 185°F (-20°C to 85°C). Read speed 18M/S,write speed:3.8M/S (USB2.0). Working voltage is 5V with wrking power 300mA. Guaranteed 2 ear warranty. Operation system Windows 98/ SE /ME /2000 /XP/ 7/ Vista, Linux 2.4.x, Mac Windows 7, etc. The advantage of our product. 1. Make logo according to customer"s design, 2. File preload, files can be non-erasable. 3. Advertisement files Auto-play once USB was plugged into the computer. 4. Website auto pop-up once USB was plugged into the computer. 5. Disk partition. 6. Password protection. is silicone and what the characteristic of this ink. Silicone also named silicone rubber which is a kind of high activity adsorcustomize lanyardption material with non-toxic, tasteless, stable chemical properties and have higher mechanical strength. The silicone wristband is comfortable to wear and long lasting with the characteristic of silicone rubber. Silicone wristband is a kind of molded silicone product. Molded silicone products are usually put through the high temperature mold in the addition of curing agent after the solid silica gel through the curing machine to put pressure into solid molding. The shape of the mold determines the shape of the molded silicone products. Molded silicone products is currently the most widely used in the silicone industry. The silicone ink is a coating protection ink used on silica gel material which is environmentally friendly , non-toxic and harmless.