| Communication Interface | USB |
| Material | ABS |
| Card Reading Mode | Inductive RFID 125KHZ |
| Indication Mode | Sound + Vibration + Screen Display |
| Charging Method | Magnetic contact USB communicaition port |
| Power Supply | 3.7V rechargeable polymer lithium battery |
| Battery Capacity | 1800mAh |
| Alarm Prompt | One-key SOS alarm, drop and collision alarm |
