1. Handle positioning: fire button on all platforms, universal for left and right hands, hand speed can be recorded
2. Fire button response mode: capacitive
3. Supported platforms: iOS, Android
4. Working current: <=7mA
5. Standby current: <=2uA
6. Number of buttons: total of 4 buttons, divided into 2 groups at both ends of the device, each group has 1 fire button + 1 continuous press switch button
7. Shell material: ABS+PC
8. USB interface: Micro USB, 5V
9. Battery capacity: 50mAh
10. Product size: 5x2x3cm
