Bluetooth 5.1 Transmitter Receiver for TV, 4-in-1 Wireless Bluetooth Adapter with Optical AUX RCA 6.5 Mic Connection, Low Latency NFC Audio Adapter with FM Radio Simultaneously for Home Party KTV

Features:
Two-in-one Bluetooth receiving (RX) and Bluetooth transmitting (TX).
Built-in DSP decoding chip, heavy bass effect, the device supports treble/bass button adjustment.
Upgrade the NFC function, and the mobile phone sensor can be connected with one touch.
Built-in 1200mAh rechargeable lithium battery, continuous listening to music for about 8 hours, battery life up to 30 days
Support U disk/TF card playback and launch, support MP3/WMA/SBC/WAV/DTS/A52/FLAC/AAC/AIF/AMR/APE format.
Built-in FM radio, one-button automatic search and storage, the frequency can be adjusted from 87.5 to 108.
Built-in 6.5 mm high-definition microphone, which supports microphone access for singing, and built-in anti-howling design.

Specification:
Bluetooth version: Bluetooth V 5.1
Support protocol: A2DP/AVRCP/HSP/OPP/GATT/SM
Working frequency band: 2.402GH z - 2.480GH z
Power level: Power level 2 (Class II)
Sensitivity: -85dBm <0.1%BER
Signal-to-noise ratio: 90dB
Distortion: 0.1 %
Input interface: 3.5 mm AUX RCA FM USB TF interface 6.5 MIC
Output interface: 3.5 mm AUX RCA
Radio parameters: FM 87.5 -108MHz
Support format: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTY
Screen size: 36*8MM
Working current: <40mA
Built-in battery: 3.7V /1200mAh
Charging current: about 1000mA (MAX)
Charging time: about 1.5 hours
Battery life: RX about 8H, TX about 8H
Bluetooth distance: 30M (open place)
Charging method: Type-C 5V/1A

Package included:
1* Bluetooth Adapter host
1* Remote control
1* Bluetooth Antenna
1* FM radio antenna
1* 3.5 mm audio cable
1* RCA lotus cable
1* Type-C charging cable
1* Instruction manual