nd usb flash drive is a product combining silicone wristband and usb flash drive. It become a popular promotion gift, a printed silicone wristband usb flash drive contributes to company event and memorials. The 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. cheap-silicone-wristbands-free-shippingextra-large-silicone-wristbands celet and so on .These styles of bracelets have message and logo on the silicone wrist band .Now ,we will introduce a silicone wristband without any message and logo for you .That is blank wristband . Although there are no message and logo on the blank wristband ,but it can also look good .Because blank wristband can comfearless rubber bracelete in many different colors.When the customer customize silicone bracelet ,they will provide us the band color numer .As long as the color is come from pantone color card ,we can produce corresponding silicone bracelets .If the color number provided by customer is not come from pantone color card ,we will also convert it into pantone color .In addition to produce solid color blank wristband ,we can also produce segmented wristband ,swirled wristband ,uv wristband and glow in the dark wristband .About the segmented wristband ,we can make it have seven colors ,just like the rainbow . The blank wristband also can have many sizes .Normally ,we will provide adult size wristband (202mm) ,youth size wristband (180mm) ,toddler size wristband (150mm) to customer .Of course ,if the customer want to order special size wristband ,we can also make it for them .The above mentioned is the length of the blank wristband .About the width of the wristband ,we can provide 1/4 inch (6mm) ,1/2 inch (12mm) ,3/4 inch (19mm) ,1 inch (25mm) to customer to choose . To make a long story short ,even if there is no message and logo on the band ,the blank wristband can also look good . printed-wristbandsfigured-wristband ital chip putting in the rubber band part. The biggest advantage of the digital rubber wirstband for sports is the high step counting accuracy , more stability of 50 meters waterproof , the long life time built-in battery and also comfortable and durable as it is the silicone made material. A sport digital rubber wristband is the assistant of good health to remind you of sporting. A mosquito repellent rubber bracelet is very useful to protect ourself from the mosquito. Do you know what the mosquito repellent rubber bracelet consist of ? A mosquito repellent bracelet is made from high quality silicone together with lemongrass, lavender, clove and other natural plant oils. And the nutural plant oils is the reason why it is mosquito resisting. A mosuito repellent rubber bracelet is comfortable to wear on the wrist or leg as its good air permeability . It is designed as non contacting type of the controling module so safe for adult and kids. A glow in dark silicone bracelet is made by the same technology with the normal bracelet but adding the glow powder . The powder can be added into the band body or the ink for the printed or debossed infil style bracelet. The glow powder is eco as well as the silicone material bracelet. When absorbs enough strong light before being put in the dark, it glows blue, green or red depending on the style of the glow power. The glow will last for hours and gradually weaken. But when reabsorbs thefearless rubber bracelet light , it glows again like original shows. A uv silicone bracelet can transfer its color darker under sunshine when absorbing uv light. It is not only with good looking appearance but also indicating the strength of the uv index. So some uv silicone bracelets made as the indication with the ruler of levels of index. Wearing on the wrist to avoid long time staying under strong uv. So what makes it uv transfer ? The answer is the UV phosphor which usd uv energy to open the sensitive molecular bond and make it jump from low energy to high energy level There will be a change from visible light to visible light, resulting in the changing color from light to dark.