Terms and conditions
| Power Supply | DC 5V (can be connected to an external 5V adapter to charge the battery or used directly as a power source) |
| Output Capacity | Constant output current: 200mA; Pulse output current: 500mA@50ms |
| Operating Conditions | Temperature: -20°C to +60°C; Relative humidity: 5% ~ 95% |
| Charging Interface | Type-C (used for charging and software updates) |
| External Ports | USB Type-A port (voltage is 27.6V, connecting standard USB devices is prohibited); 3.5mm audio jack |
| Keyboard | 21 keys (On/Off, Back, TAB, Delete, OK, directional and numeric keys) |