Size: 21x2.35x1.06cm Weight: 30g Available colors: black, purple, blue, red, pink, green, orange Available printing way: silk screen, emboss Features: 1. Waterproof watch & Fantastic design. 2. Data storage with USB function 3. Power display while plug into PC. 4. Display LED indicator 5. With built-in TF card slot, supports TF card with different capacities from 128MB to 32GB