Adapter VIKEFON Bluetooth FM 3in1 Transmitter(TX) / Receiver(RX) / FM Transmitter Three modes of operation: Tx bluetooth transmitter mode It is used to broadcast wireless audio signal to headphones or other bluetooth receiver. The sound source must be connected to the adapter using an aux, S/PDIF or RCA cable (aux/RCA adapter included). Rx bluetooth receiver mode It is used to transmit music transmitted via Bluetooth communication from devices such as a smartphone or tablet, to receivers such as a receiver, speaker system or car audio player using an aux 3,5mm cable, Toslink or aux/RCA. FM transmitter mode Used to transmit signal using FM radio waves Universal NFC Support: Built-in chip by touching this receiver, you can directly connect to your NFC mobile phone or other NFC-enabled Bluetooth devices. Play music on 2 sets of speakers at the same time: With USB, 3,5mm and 2RCA connection options, you can enjoy music on 2 sets of speakers at the same time. Support dual audio port connection: With 3,5mm and 2RCA audio ports, suitable for more devices (including 3,5mm cable and 2RCA cable). Remote Wireless Connection: Wireless Bluetooth adapter can support connection up to 15 meters/49 feet away, the ability to control music playback over long distances. No need to connect to electricity With a built-in rechargeable battery, the device can run on its own for up to 10 hours without being plugged into a charger. However, it takes 3 hours to fully charge. Get comfortable and free with the new transmitter. Lithium battery 500 mAh Standby time 30 days Supports self charging and night, 500mAh polymer lithium technology, can work continuously for 810 hours SPECIFICATION: Product Size: 109x73x29mm/4.29x2.87x1.14 inch Weight: 80 grams Material: plastic Colour: Current Consumption: < 25mA Supply Voltage: 5V - 12V Frequency Response Range: 10-20KHz Signal-to-noise ratio: >110dB Noise distortion: < 0,02% Bluetooth version: 5.0 Bluetooth name: BLS-B10 Interface: Analog stereo / AUX 3,5 mm Output Impedance: 75 Ω Decoding chip: Bluetooth 5.0 Effective distance: up to 15 meters Performance: HiFi level Support: A2DP/AVRCP bluetooth light Playing TF cards Playback of U disk NFC Added Area Long on/off connection Dual action: switching mode Single connection: connection of access source Long frequency limitation, additionally: inna frequency function/adjustment (depending on FM) Click to play/pause, double action: call the last digit Long to operate: adjust the system (FM mode only) when incoming support: receive support Long to Support: Reject Long connection on the plus controller, single adjustment: frequency/frequency adjustment (depending on FM) Dual channel RCA interface (input/output) Concentric (Coaxia) interface Optical interface (optical). Anti-slip mat AUX audio interface (input/output) Charging interface (DC 5V 500mA) bluetooth mode Close volume scrolling plants Previous part volume down Negative way mode of reception Bluetooth signal Dumb fast forward Pause the structure Next track method plus assessment mode FM mode U-disk AUX signal TF card optical fiber Coaxial The set includes: NFC 5.0 Universal Bluetooth Adapter 1x Jack < -> RCA CHINCH cable 1x Jack cable < -> Jack 1x Micro USB -> USB cable (power supply)