Wireless Game Joystick Controller Left and Right Handle for Nintendo Switch Pro 1. Compatible with Switch host, only supports wireless connection 2. Can be used as a single handle or as two separate handles. 3. No need to load any driver, the handle and the host can be used after wireless pairing. 4. Through the wireless connection, the anti-interference ability is strong, the control is free, and the connection signal is stable. 5. Built-in 300mAh polymer lithium battery, can be used for 4 hours after being fully charged. 6. Built-in gyroscope, support motion sensing function. 7. Each of the left and right handles has a built-in motor that supports the vibration function. 8. You can connect multiple wireless controllers to the console to play multiplayer games at the same time. 9. Ergonomic design and lightweight handle construction, even if the player continues to play for hours without fatigue. 10. You can connect to your computer via USB cable and upgrade with the update software. 11. Operating voltage current: DC 3.7-4.2V, 20-30mA. 12. Standby current: 10-80uA. 13. Vibration current: 80-150mA. 14. USB input voltage current: DC 5V, 500mA. 15. Use distance range: <=8m. 16. Battery voltage: 3.7V. 17. Charging time: about 2 hours. 18. Standby time: 25 days or so.