NFC Bluetooth 5.0 Wireless Receiver 3.5mm AUX to 2 RCA Audio Stereo AdapterProduct features 1. Support NFC near-field pairing, and NFC automatically turns on or off Bluetooth wireless connection during pairing. 2.3.5mm AV audio output interface, which is more versatile. 3. Support USB flash drive playback 4. adopt the latest power isolation technology to ensure the perfect sound quality and high-quality audio, so that you can feel the music with fever level. Product specification Product model: BLS-B21 Support equipment: support the connection of two mobile phones. Bluetooth version: V5.2 Output interface: 3.5mm stereo RCA left and right channels. Function description: Support Bluetooth, USB flash drive, hands-free call and NFC connection. Bluetooth protocol: AVRCP, A2DP Frequency range: 2400-2483.5MHz Frequency response: 20Hz-20kHz. Output power: 28mW RL=162. Signal-to-noise ratio: 90dB Total harmonic distortion: 0.1% Support: SBC, AAC Forward transmission distance: 10m. Support: Type-C interface 5V power supply. Product size: 78*50*18 (mm) Bare metal weight: 31g instructions A bluetooth pairing connection 1. First, connect the USB cable to a 5V power supply. After connecting to the product, you will see the blue indicator in the "indicator window" flashing and hear the prompt tone indicating the NFC desktop. The Bluetooth audio receiver successfully entered the pairing state. 2. Turn on the Bluetooth function of the mobile phone or other devices, and click Connect after searching for the device named "BLS-B21" successfully. 3. After clicking Connect, the blue light in the "indicator window" flashes slowly and a prompt tone is heard, which indicates that the device is connected successfully. Note: The next time you use it, you only need to press the power button for 3 seconds to turn it on, and you can automatically connect the last used mobile phone or other equipment. Second, through NFC pairing connection 1. First, connect the USB power supply cable to a 5V power supply. Seeing the blue indicator in the "indicator window" flashing and hearing the prompt tone indicates that the NFC desktop Bluetooth audio receiver has successfully entered the pairing standby state. 2. Turn on the NFC function of the mobile phone or other devices. 3. Place the NFC sensing area of the mobile phone close to the NFC sensing area of the N FC desktop Bluetooth audio receiver for about 2 seconds, see a dialog box on the mobile phone and click Connect. (If the dialog box pops up, you need to enter the pairing code, then enter "0000". If it doesn't pop up, please ignore it. ) 4. The product only has receiving function. 5. The products are suitable for all kinds of old-fashioned audio/flat panel/mobile phone/TV/power amplifier, etc. Product list: Bluetooth adapter *1 3.5mm audio cable *1 RCA audio cable *1 Power cord *1 Instructions *1
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