Specification:
| Brand | Bakeey |
| Model | BT308 |
| Supporting System | Windows8/ 8.1/ 10, OS |
| BT Version | BT5.0+3.0 |
| Number of Keys | 35 Keys |
| Material | ABS |
| Battery Capacity | 300mAh |
| Charging Voltage | DC 5V |
| Working Voltage | DC 3.7V |
| Woking Current | 1~3mA |
| Working Time | 12 Days |
| Standby Current | 40uA |
| Size | About 115*142*9mm |
| Net Weight | About 166.5g |
| Package Contents | 1* Numeric Keypad |
