Zinc alloy material for fast heat dissipation, high quality, and durability Cell phone and computer dual-use, APP intelligent management Ultra-thin and stylish design, easy to carry every day Fingerprint encryption, more secure data privacy One-second recognition, fingerprint accurate recognition Flexible management of 64 fingerprints, up to 64 fingerprint IDs can be added, and fingerprints can be entered and deleted at any time True data encryption, suitable for teamwork, data is security Specifications: Model: NK-828 Interface: LightningandUSB Material: Zinc alloy Lightning interface: 16M or S-27M or S USB2.0 interface: 16M or S- 29M or S Applicable devices: Mobile phones or tablets or computers System: Compatible with Windows, Mac, Linux, iOS Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.