Sync File Transfer Technology Supported
- Transfer data between Pixel 4 XL and a computer freely with no need to take the battery case off.
Extend 140%+ Power to Pixel 4 XL
- When phone's power is dying, just click the power button of the battery case once and the charging starts. A good battery backup for a business trip, vacation and road trip.
- Press the power button 3-5 seconds to stop charging.
USB C Charging Port
- Compatible with the USB C to USB C cable coming with the phone.