• 8BitDo Ultimate Software Now on PC, Android, and iOS: Ultimate Software gives you elite control over every piece of your controller - now on Android and iOS. Customize button mapping, adjust stick & trigger sensitivity, vibration control, and create macros with any button combination. Create controller profiles and switch between them at any time with the custom profile switch
• Function Defines Form. Pro-Level Back Buttons: The Ultimate Bluetooth-compatible controller features two Pro-level back buttons. These buttons give you more control so you don't have to take your thumbs off the thumbsticks. With 8BitDo Ultimate Software you can assign any button function and macros, too
• A Modern Controller That Respects the Classics: The 8BitDo Ultimate Bluetooth-compatible Controller was designed with respect for the classics. We paid extra attention to the most critical characteristics like the D-pad, to make sure it feels exactly like you remember it
• Play Any Game, Anywhere: Switch. Windows. 8BitDo controllers are designed to be as versatile as possible with each of your modern devices. Now with a 2-way mode switch, you can instantly pair your controller via Bluetooth 

Specifications:

• Controller Mode: Switch mode/X-input mode
• Connectivity: Bluetooth-compatible 5.0 (for Switch only)/2.4G/USB-C
• Battery capacity: 1000mAh
• Use time: about 22h
• Charging time: 2-3h
• Size: 147 x 104 x 61.5mm
• Weight: 245g