ADAPTER BLUETOOTH TO TOWER AMPLIFY HIFI AUX CHINCH JACK RECEIVER 5.0 NFC NFC BLUETOOTH RECEIVER: Support NFC short-range pairing, NFC automatically turns Bluetooth wireless connection on or off during pairing. ADAPTER STEREO AUDIO: Audio output interface AV 3,5 mm,Wider compatibility, support playback from U disk. Using the latest power isolation technology to ensure excellent sound quality,High-quality sound, so you can feel the music at the audiophile level. UPGRADE TO BLUETOOTH SPEAKER: Just connect to the speaker or amplifier AUX interface, the second to Bluetooth, saving the hassle of wiring, enjoy great wireless connectivity, for all types of speakers or amplifiers. USB PLAY: connect and play, supports mobile storage devices U disk, without network can also play songs at will. NFC function NFC connection, support light touch connection of NFC mobile device, no need to manually connect. Bluetooth speaker Simply connect the AUX port to your speaker or amplifier, Bluetooth in seconds, without the hassle of wiring, enjoy great wireless connectivity. Plug- and -Play Support playback via USB, support mobile storage devices U disk, no network can also play songs at will. Powerful signal Built-in signal antenna, signal without dead ends, no obstacles, transmission stability 10 m. Bluetooth 5.0 High-performance Bluetooth chip, support various models of speakers and computer equipment. Sound HD HIFI High quality Bluetooth decoding chip, transmission sound quality is better, lossless and no lag. Product parameters Name: Bluetooth NFC receiver Interface: analog stereo Decoding chip: Bluetooth5.0 Effective distance: 15 meters Performance: HiFi class Bluetooth name: BLS-B10 Frequency Range: 10Hz-20kHz Output Impedance: 75 Ohm Signal-to-noise ratio: >110dB Distortion noise: <0,02% Bluetooth version: 5.0 Support: A2DP/AVRCP PRODUCT DETAILS ① Volume down/increase ② Playback/Pause ③ Volume up/next track ④ DC power input ⑤ Playback from USB ⑥ Left and right channel RCA (double output lotus head) ⑦ AUX output You will receive: 1 x Audio Receiver 1 x Audio Cable 1 x 3,5 mm cable (1m) 1 x USB charging cable (0.85m) 1 x User Manual (1m) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.