OMS-M16 NFC Bluetooth And Receiver Transmitter 5.1 Audio Adapter 1. Adopting bluetooth 5.1 chip design, stronger compatibility and stability 2. Bluetooth receiver, bluetooth transmitter 2-in-1 3. Built-in DSP decoding chip, heavy bass effect, the device supports treblebass key adjustment 4. NFC function, cell phone sensing one-touch connectivity 5. Controllable indicator light, soft and not blinding, the brightness of the light follows the volume level accordingly brighten darken 6. Built-in 1200mAh rechargeable lithium battery, about 8 hours of continuous listening, battery life up to 30 days 7. Support U disk TF card playback and launch, support MP3 WMA SBC WAV DTS A52 FLAC AAC AIF AMR APE format 8. Support 5-8 meters infrared remote control, modesignalvolumeupdown songmixmicrophone and other various operations 9. Built-in 6.5mm high-definition microphone, support for microphone access singing, built-in anti-whistling design 10. Simple connection, without any driver and download APP Parameters: 1. Bluetooth version: bluetooth V5.1 2. Support protocol: A2DPAVRCPHSPOPPGATTSM 3. Working frequency band: 2.402GHz -2.480GHz 4. Power level: 2 levels 5. Sensitivity: -85dBm less than 0.1 percent BER 6. Signal-to-noise ratio: greater than or equal to 90dB 7. Distortion: less than or equal to 0.1 percent 8. Fiber sampling rate: 192KHZ25MBPS 9. Interface type: input: 3.5mm AUX + RCA + USB + TF interface + 6.5 MIC + coaxial; output: 3.5mm AUX + RCA 10. Support format: MP3WAVWMAAPEFLACG729M4AALACAMRDTSMIDIG726MTY 11. Screen size: 36 x 8mm 12. Operating current: less than 40mA 13. Built-in battery: 3.7V1200mAh 14. Charging current: about 1000mA (MAX) 15. Charging time: about 1.5 hours 16. Battery life: RX about 8 hours, TX about 8 hours 17. Bluetooth distance: less than or equal to 30m (open place) 18. Charging method: Type-C 5V1A 19. Size: 98 x 67 x 24.2mm 20. Weight: 130g Packing list: