Feature:1. [2 IN 1 DEVICE] Support Bluetooth wireless receiving mode and transmitting mode, so that the old wired device can become Bluetooth device in seconds.2. [WIRELESS CONNECTION] Just plug in the AUX interface of the speaker or power amplifier, and change the Bluetooth mode in seconds, save the trouble of wiring, and enjoy the wonderful wireless.3. [SUPPORT U DISK NFC] Support mobile storage device U disk, no network can play songs as you like. Support NFC mobile phone device, touch connection without manual connection.4. [BLUETOOTH 5.0] High quality Bluetooth 5.0 decoding chip transmits better sound quality. High performance Bluetooth chip, supports various types of speakers and computer equipment on the market.5. [EFFECTIVE RANGE] The effective range of the Bluetooth 5.0 transmitter and receiver is up to 15m or 49ft. You could use it to Bluetooth enable your favorite wired speaker, soundbar, home theater, etc.Specification:Item Type: NFC Bluetooth Receiver TransmitterMaterial: ABSModel: T39Bluetooth Name: T39Bluetooth Version: 5.0Effective Range: Approx. 15m or 49ft.Package List:1 x NFC Bluetooth Receiver Transmitter 1 x AV Cable 1 x 3.5mm Male To Male Cable 1 x Type C Charging Cable 1 x Manual