R20 Wireless Audio Adapter 3.5mm AUX 2RCA U Disk Player Bluetooth 5.3 Transmitter Receiver for PC TV Car Speaker •Convenient to use: Bluetooth 5.3 audio receiver,USB music player,wired audio changes to Bluetooth-compatible audio •Interface type: Dual output interface design,3.5+RCA dual audio port,suitable for multiple devices •Audio receiver: Upgrade Bluetooth-compatible audio,and audio without Bluetooth function can also achieve wireless playback •Bluetooth mode: •1. This product does not come with battery and requires USB 5V power supply (such as a mobile phone charger/battery or other devices with USB interface). •2. Connect the receiver to the amplifier/audio system through an audio cable. •3. Turn on Bluetooth on your phone,search for YET-R20,click pairing,and the blue indicator light will stay on after successful pairing. •4. Play music •5. Double click the play/pause button to switch to USB flash drive playback •Play music from U disk: •1. When turned on,insert the USB drive into the USB interface of receiver,music format: MP3 WMA FLAC APE WAV. •2. Double click the play/pause button to switch to Bluetooth mode. •Specifications: •Bluetooth pairing name: YET-R20 •Bluetooth version: V5.3 •Bluetooth protocol: A2DP AVRCP •Frequency range: 2.402GHz -2.480GHz •Frequency response: 100Hz-20kHz •Transmission distance: 10 meters •Supports USB flash drive playback: MP3 WMA FLAC APE WAV,does not support AAC format,supports capacity up to 64GB •Signal to noise ratio: >90dB •Size: (length x width x height): 83x56.5x25 (mm) Package included: •1 x Wireless Audio Adapter •1 x Audio Cable •1 x Charging Cable •1 x English and Chinese User Manual •Other items not include