This product is suitable for extracting audio for Nintendo Switch mainframe, for PS4 mainframe and wirelessly transmitting it to BT wireless headset/speaker through BT wireless, and wirelessly transmitting audio TYPE-C male plug: Support TYPE-C interface connected for Nintendo Switch host for power supply TYPE-C input interface: Supports fast charging for Nintendo Switch host through TYPE-C/PD protocol Support connecting a single  BT wireless speaker or two BT wireless  speakers at the same time There is a function button: used for wireless pairing operation and clearing paired device operation Support automatic quick connection function, and automatically connect to the connected device after starting up Specifications: Input voltage/current: DC 5V1.5A and 15V/2.6A (supporting for Nintendo Switch original power supply) Output voltage/current: DC 5V1.5A and 15V/2.6A Working voltage: DC 5V Working current: 40 mA Transmission distance (obstacle free): ≤ 10 meters Product size: 41.6 * 31.5 * 10.5mm Product weight: about 17g BT version: BT 5.0 Working frequency range: 2.402GHZ-2.480GHZ