●About the function difference of vaorlo M9/M9 Pro:

●●The M9 adapter does not support FM Radio functionality, but has a coaxial input interface;
●●●The M9 Pro adapter supports FM Radio functionality, but does not have a coaxial interface.

Product Features:

1. Bluetooth 5.1 audio receiver and transmitter, 2 in 1 mode is compatible for use on a wider range of devices. Rx mode can play music on the old style's speaker/amplifer from mobile phone tablet .Tx mode support work on TV computer.
2. Upgrade NFC function,touch to connect(Mobile phone need with NFC function)
3. With DSP chip,support bass and treble adjustment
4. Support FM radio function,87.5-108mhz full frequency channel,you can search for channels automatically/manually（Only M9 Pro with this function）
5. Built-in 6.5mm MIC for kalaOK,an sing with an external microphone
6. U disk/TF Card play,support MP3/WMA/SBC/WAV/DTS/A52/FLAC/AAC/AIF/AMR/APE music format
7. LCD screen display,statu is clearly visible
8.1200mAh battery,long standby time,after full charger,can keep working within 8 hours,also support charging and playing at the same time
9. IR remote control,can control the mode,volume(NOT SUPPORT POWER ON)
◆ The appearance of the product is exquisite, exclusive private model, including appearance design patent.
◆ Adopt Bluetooth 5.1 chip design, stronger compatibility and stability.
◆ Two-in-one Bluetooth receiving (RX) and Bluetooth transmitting (TX).
◆ Equipped with a high-definition LED digital display screen, the working status and Bluetooth mode are clearly visible.
◆ 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.
◆ Controllable indicator light, soft and not glaring, the brightness of the light increases/decreases accordingly with the volume.
◆ 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.
◆ M9Pro Built-in FM radio, one-button automatic search and storage, the frequency can be adjusted from 87.5 to 108.
◆ Support 5~8 meters red private model external remote control, mode/signal/volume/up and down song/mixing/microphone and other operations.
◆ Built-in 6.5mm high-definition microphone, which supports microphone access for singing, and built-in anti-howling design.
◆ The product connection is simple, without any cumbersome drive and APP download;

Product Specifications:

Product Model: M9/M9 Pro
Bluetooth version: Bluetooth V5.1
Support protocol: A2DP/AVRCP/HSP/OPP/GATT/SM
Working frequency band: 2.402GHz -2.480GHz
Power level: Power level 2 (Class II)
Sensitivity: -85dBm<0.1%BER
Signal-to-noise ratio: ≥90dB
Distortion: ≤0.1%
M9 Input interface: 3.5mm AUX/RCA/USB/TF interface/6.5 MIC/Coaxial
M9 Pro Input interface: 3.5mm AUX/RCA/FM Radio/USB/TF interface/6.5 MIC
M9/M9 Pro Output interface: 3.5mm AUX RCA
M9 Pro 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
Compatible devices: Android, IOS system mobile phones and PADs, active speakers, power amplifiers, and Bluetooth speakers or earphones that support A2DP/protocol.

M9 Package List:

1x M9 Bluetooth audio adapter
1x Bluetooth Antennae
1x Type-C Charging cable
1x RCA cable
1x 3.5MM Aux cable
1x Remote control
1x User manual

M9 Pro Package List:

1x M9 Pro Bluetooth audio adapter
1x Bluetooth Antennae
1x FM Antennae
1x Type-C Charging cable
1x RCA cable
1x 3.5MM Aux cable
1x Remote control
1x User manual

Note:

It is just a VAORLO 2 in 1 bluetooth audio transmitter receiver. Can only be used for audio transmission, so you can't use it for your keyboard, mouse, file transfer.
---The function of the bluetooth transmitter is to add a bluetooth function to devices without bluetooth function such as TV/computer, so that they can connect to bluetooth speakers/headphones. This is a Bluetooth transmitter buit with the newest technology , it wouldn't show in the Bluetooth devices in your phone,computer or TV and you only need to make the Bluetooth devices close to this Bluetooth transmitter then they will connect with each other automatically.
---The function of the Bluetooth receiver is to add Bluetooth wireless function to the wired speaker/headphone, so that the Bluetooth-enabled device such as the mobile phone can be wirelessly connected to the wired speaker/headphone through the adapter.