1. Support USB PD specification version 2.0 2. Compatible shell design, can be used with a protective cover 3. Support base mode. Connect to the USB port on the base through the original USB adapter cable 4. Support Bluetooth speakers 5. Connect noise reduction Bluetooth headset, support noise reduction in handheld mode 6. Rated current: 3A 7. Input interface: USBType-c 8. Input voltage: 5v/9v/12v/15v 9. Support protocol: AFH, HFP, HSP, A2DP, AVRCP 10. Size: 47x32x11mm