Stunning 8GB USB charm in silver colour with coloured crystal stones encrusted in half the heart shape. Actual useable memory is between 7-7.29GB. They are magnetic which is how the two parts stays together, Made with premium quality materials, they are sturdy and should not come apart without being pulled. Stunning silver USB charm in various colours 8GB flash memory Size is 40mm wide x 37mm high x 14mm wide Does not need external power to work Comes with our free velvet gift pouch Charles William Women's Charm Jewellery with Working 8GB USB Flashdrive Memory in Silver