Check the listing for details. Bluetooth 5.3 Transmitter Receiver 3.5mm AUX RCA TV Home Stereo Audio Adapter. Color: Black, Condition: New. Listed at 23.74 USD. -Bluetooth 5.3 chip design, compatibility and stability is stronger. -Bluetooth receiver (RX), Bluetooth transmitter (TX) two-in-one design. -Receive mode upgrade one tow two, can connect two mobile phones at the same time to listen to songs. -Equipped with high-definition LED digital display screen, full-screen display of the working status and Bluetooth mode is clearly visible. -Built-in digital signal to analogue chip, support digital optical, coaxial, AUX, RCA interfaceBluetooth 5.3 Transmitter Receiver 3.5mm AUX RCA TV Home Stereo Audio AdapterProduct DescriptionBluetooth 5.3 NFC Transmitter Receiver Adapter Bluetooth Audio Adapter 3.5mm USB HiFi Stereo Music TV Home Car, with RGB Magic Lights Features: -Bluetooth 5.3 chip design, compatibility and stability is stronger. -Bluetooth receiver (RX), Bluetooth transmitter (TX) two-in-one design. -Receive mode upgrade one tow two, can connect two mobile phones at the same time to listen to songs. -Equipped with high-definition LED digital display screen, full-screen display of the working status and Bluetooth mode is clearly visible. -Built-in digital signal to analogue chip, support digital optical, coaxial, AUX, RCA interface. -Upgrade the wireless NFC sensor function, mobile phone connection/disconnection at the touch of a button. -Cool RGB colourful lights, multi-colour adjustable, soft and not blinding. -Built-in 1000mAh rechargeable high-capacity lithium battery, full of about 1.5h, about 10-12 hours of continuous listening, standby for about 30 days. -Support USB (U disk) playback and launch, support a variety of lossless format audio file playback. -Built-in high-definition microphone, support wireless listening, hands-free calls, navigation. -Simple connection, without any driver and the tediousness of downloading APP. Specification: Product Model:OMS-M13 Bluetooth version: Bluetooth V5.3 Support protocol:RX:A2DP AVRC TX:A2DP Operating band:2.402GHz-2.480GHz Power Level:Power Level 2 (Class II) Sensitivity:-85dBm