Directly connected to the headset to listen to music, USB Micro charging interface 5V power supply
1: product pro
Support Bluetooth wireless audio receiving / USB and TF play / aux input / EQ sound functions of DIY uses sound board modified and upgraded to become receive Bluetooth wireless Bluetooth audio equipment converted from your speaker and headphone
2: Performance
Compatible and 4.1 three model specifications of Bluetooth 3.0/4.0; support HSP/HFP, supports Bluetooth hands-free function calls can be voice communication and call reporting function; spp agreement with the Android application communication support; support L2CAP/A2DP AVCTP/AVDTP/AVRCP, may by agreement control audio frequency transmitting end under operation; support simple pairing / automatic back even function, support the low consumption mode sniff mode, stop mode; and MP3 chip, support TF Card / U disk broadcast music playback, support mp3 / wma / WAV format decoding, support the EQ function, flat, rock, pop, classical, jazz,.
3: interface description
(1) USB Micro charging port: 5V power supply (universal Android interface and USB mobile phone charger)
3.5) 2 stereo output port: designed for headphones 64 to 16 ohm design, the bass is stronger and the volume is more adequate.
3) LOUT / ROUT audio output socket: designed for speakers in the audio impedance of the audio design of the design of stereo audio output port
3.5) 4 stereo AUX input port: designed for 3.5mm stereo input AUX signal input (by MODE key to AUX mode)
5) INL/INT audio input socket: stereo sound channel input port
6) M+/M- microphone interface
7) ADKEY button expansion port: 2 wire button socket, according to the line provided by the link and resistance parameter, easy to expand
8) GND/+5V solder joints: 5V power supply welding point
9) USB interface: MP3/WMA/WAV music format decoding on disk, USB maximum support 64G
10) TF interface: decoding and playing MP3/WMA/WAV music format TF memory card, maximum support 32G card capacity
Four: key note
1) MODE function mode key: short press the button cycle to switch "Bluetooth - AUX-USB-TF" several functional modes
2) PLAY play pause key: short press play / pause / answer call
3) NEXT track plus / volume plus key: short press a song, long press the volume increases
4) PREV track plus / volume down key: short press on a song, long press the volume decreases
5) EQ sound keys: in USB and SD card music playback, short in a flat, pop, rock, classical, jazz several audio output
Interface details:
USB Micro charging interface: 5V power supply (universal Android interface and USB mobile phone charger)
3.5 stereo output port: designed for headphone 16-64 ohm impedance design, the bass is stronger and the volume is more adequate
LOUT/ROUT audio output socket: designed for the speaker in the machine when the audio impedance of the design of the sound design of the sound channel audio output
3.5 stereo AUX input port: designed for 3.5MM stereo audio input AUX signal input (by the MODE key to the AUX mode)
LINL/LINR audio input socket: designed for the speaker in the machine when the audio impedance of the design of the sound design of the sound channel input
M+/M- microphone interface: connect the microphone parts, while listening to music when the caller suddenly can press the play calls hands-free calls
ADKEY button extension: button socket, according to the supply line and resistance parameter connection, easy to expand
GND/+5V solder joints: 5V power supply solder joints
USB interface: USB decoding above MP3/WAV music format, U maximum support 64G
TF card memory card interface: decoding the above MP3/WAV music format, maximum support 32G card capacity
Key details:
MODE function mode key: short press cycle switch "Bluetooth -AUX-USB-TF" several functional modes
PLAY play pause key: short press play / pause / answer call
NEXT track plus / volume plus key: short press a song, Changan volume increased
PREV track / volume down key: short press on the song, long press the volume decreases
EQ sound keys: in USB and SD card music playback, short in a flat, pop, rock, classical, jazz several audio output
