M9 Pro 5.1 Bluetooth Receiver Launcher FM Radio 4 In 1 NFC Audio Adapter Tape-Personal Security 9-in-1 interface: Type-c to PD+HDMI+SD+TF+Audio+RJ45+VGA+2

9-in-1 interface: Type-c to PD+HDMI+SD+TF+Audio+RJ45+VGA+2 x USB3

Types Backlight IC Chip

300 Houan battery

2) Transfer speed: Full-speed (12Mbps) transmission (actual speed and computer configuration)

the highest suppport 1920*1080 resolution output

M9 Pro 5.1 Bluetooth Receiver Launcher FM Radio 4 In 1 NFC Audio Adapter Tape-Personal Security 9-in-1 interface: Type-c to PD+HDMI+SD+TF+Audio+RJ45+VGA+21. Bluetooth version: Bluetooth V5. 1 2. Support protocol: A2DP AVRCP HSP OPP GATT SM 3. Operating band: 2. 402GHz 2. 480GHz 4. Power level: Class 2 (Class II) 5. Sensitivity: 85dBm 6. Signal to noise ratio: 90dB and above 7. Interface type: Input: 3. 5mm AUX+RCA+FM+USB+TF interface+6. 5 MIC Output: 3. 5mm AUX+RCA 8. Radio parameters: FM 87. 5 108MHz 9. Supported formats: MP3 WAV WMA APE FLAC G729 M4A ALAC AMR DTS MIDI G726 MTY 10. Screen size: about