M9 Bluetooth-compatible 5.1 Transmitter Receiver Adapter FM Radio 4-in-1 NFC Audio Adapter Converter Support U Disk / TF Card Playback and Transmit

• The product has a beautiful appearance, exclusive private mold, including design patents
• Designed with Bluetooth-compatible 5.1 chip for greater compatibility and stability
• Bluetooth-compatible receiver (RX) and Bluetooth-compatible transmitter (TX) in one
• High-definition LED digital display for clear visibility of working status and Bluetooth-compatible mode
• Built-in DSP decoder chip, heavy bass effect, the device supports treble/bass button adjustment
• Upgraded NFC function, mobile phone induction is connected at a touch
• Controllable indicator light, soft and non-blinding, the light brightness follows the volume level to brighten/darken accordingly
• Built-in 1200mAh rechargeable lithium battery, long battery life
• Support U disk/TF card playback and transmit, support MP3/WMA/SBC/WAV/DTS/A52/FLAC/AAC/AIF/AMR/APE format
• Built-in FM radio, one key to search and save stations automatically, the frequency can be adjusted from 87.5~108
• Support 5-8m red private mode external cable remote control, mode/signal/volume/up/down track/mix/microphone, and various other operations
• Built-in 6.5mm HD microphone, support microphone access for singing, built-in anti-whistle design
• Easy to connect, no driver or APP downloading

Specifications:

• Product Model: M9
• Bluetooth-compatible Version: Bluetooth-compatible V5.1
• Protocol Support: A2DP/AVRCP/HSP/OPP/GATT/SM
• Operating band: 2.402GHz - 2.480GHz
• Power Level: Power Level 2 (Class II)
• Sensitivity: -85dBm <0.1% BER
• SNR: ≥90dB
• Distortion: ≤0.1%
• Input Connector: 3.5mm AUX+RCA+FM+USB+TF Connector+6.5 MIC 
• Output interface: 3.5mm AUX+RCA
• Receiving Parameters: FM 87.5-108MHz
• Supported formats: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTY
• Screen size: 36*8MM
• Operating current: <40mA
• Built-in battery: 3.7V/1200mAh
• Charging current: approx. 1000mA (MAX)
• Charging time: approx. 1.5 hours
• Endurance time: RX approx. 8H, TX approx. 8H
• Bluetooth-compatible distance: ≤ 30M (barrier-free)
• Charging method: Type-C 5V/1A
• Compatible devices: Android, IOS mobile phones and tablets, active speakers, amplifiers, and Bluetooth-compatible speakers or headphones that support A2DP/protocol connection Use