Item Type:Circuits
Origin:Mainland China
1.Parameter characteristics
Power Supply 3.7-5V
SNR 90dB
THD+N -70dB
Crosstalk -86dB
DNR 91dB
Support Profile A2DP/AVCTP/AVDTP/AVRCP/HFP
LOS >5m
2.Interface details
USB/lithium powered Universal supply
3.5mm stereo audio interface Standard 3.5mm interface, output stereo sound source, plug in headphones, connect amplifiers and other devices
Instructions:
1. Bluetooth 5.0 main control chip, good transmission effect, more stable;
2. With key control, control up and down, volume, play, pause, switch on and off, etc.;
3.micro 5P/lithium interface charging.
4. Use of the product: Bluetooth audio signals of mobile phones, laptops and tablets can be transmitted to the function through this Bluetooth audio receiver. The audio interface can also be connected to ordinary earphones with 3.5mm interface, which can turn the ordinary earphones into Bluetooth earphones (without microphone, not supporting voice chat).
Key control:
The first button: long press once is the next song; Long press is to increase the volume, the maximum volume has drops of sound;
Second button: Short press: Pause/play
The third button: short press once is the last song; Long press to reduce the volume;
Dip switch:
On: powered, no , MICRO indirect power supply;
Down: The power supply is MICRO directly. If no MICRO power supply is available, the power supply is turned off.
Note: The switch is easy to be damaged, please pay attention to protect when using; MICRO indirect power supply may cause noise due to insufficient current supply.
Package Contents:
1x Mini Bluetooth 5.0 MP3 Decoder Board With key control