it both work from RCA to 6

Multiple Built-in Drum Kits & Metronome:Includes a variety of preset drum sounds covering pop

In another word

such as mixers

Durable Design: gold plated joint

USB Type C to 6.35mm 1/4 Inch TS Audio Mono Aux Adapter Cable Size:6.5 ft it both work from RCAUSB C to 6. 35mm Male TRS Cable: J&D USB C to 6. 35mm 1 4 inch TS Audio Cable, Note: the audio signal can only be output from Type C to 6. 35mm; do not use from 6. 35mm to Type C in reverse, cannot be used for guitar recording Wide Compatibility: connects devices like smartphones tablets or laptops with USB Type c port to devices with a 6. 35mm TS female port such as speaker, amplifier, condenser mic, mixing console and so on; compatible with iPhone