Control the power freely for button On/Off. the for Pi 4 USB-C Port from frequent tearing. Connector: USB-C Type C Male and USB-C Type C Female. Application: USB power output, LED light bar, USB small desk lamp / fan, LED small table lamp and other computer peripheral small power electrical power supply Wire specification: 20 AWG, Tin-Coated Copper 26 core cable. Wire OD: 4.0mm. Connector A: USB-C Type C Male. Connector B: USB-C Type C Female Power suppy: 4.95V Cable Length: 27cm / 10.6 inch Weight: 16g / 0.03lb./set Compatible with: for 4 Note: for is not included. Length: about 315mm Material:plastic colour:Black Package Contents: 10 * For Power Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.