Product Information Size: 6*6*2cm Material: ABS + PC < p>Bluetooth version: BT 5.0 Distance: 10M Working power supply: DC5V (1-2.1A) Compatible with: All bluetooth audio devices, support the A2DP/AVRCP/HFP protocol Function: Support NFC Bluetooth audio reception, Bluetooth audio transmission Bluetooth audio adapter< /b> Transmitter Mode: Switch a non-Bluetooth TV or PC to Bluetooth and make sure your device is wirelessly connected to a Bluetooth headset or speaker. Reception: Ideal for home/car streaming audio systems. 2 devices can be connected at the same time. Built-in NFC chip, support NFC Bluetooth connection. Bring your NFC phone close to the device's detection area without turning on Bluetooth manually. Just connect your NFC phone. No driver required, easy to use. Long press the button to switch transmit/receive mode. Enjoy wireless audio Keep your non-Bluetooth TV/desktop/laptop/headphones/speakers on Bluetooth and enjoy rich and deep sound. This bluetooth audio adapter brings you a new wonderful sound experience in your home/car. Bluetooth V5.0 Thanks to the Long-lasting Bluetooth V5.0 version, our wireless audio adapter offers a more stable connection and lower latency for your device with a range of up to 10 meters.