U Disk Music Player One With Two Adapters $ 6.91 Product information: Interface: 3.5 Whether plug and play: plug and play Transmission rate: 1000 (Mbps) Effective working radius: 10 (m) Bluetooth standard: 5.0 Bare metal weight: 32g Package weight: 108g Product size 785018 (mm) Packing size: 1359425mm Output interface: 3.5mm stereo RCA left and right channels Function introduction: U disk, hands-free call, NFC connection Packing list: Receiver + audio cable*1