Participating parameters:
Colour: Black
Size: 30 * 30mm
Power supply: 3.7-5V
Signal to noise ratio: 90DB
Total harmonic distortion + noise: -70DB
Crosstalk: -86DB
Support profile: ADP / AVCTP / AVDTP / AVRCP / HFP
Transmission distance: 15m (under barrier-free environment)
Decoding format: WAV+APE+FLAC+MP3 lossless decoding, stereo output

Features:
Charge and Discharge: This product has the function of charging and discharging, and can be powered by USB power. Note: If the USB is suddenly disconnected during charging and playback, Blue tooth will automatically restart, automatically connect and maintain the previous playback state.
LED Indicator: When the power is supplied by a single USB, the red light flashes, indicating that the power supply is normal; when the power is supplied by a single battery, the yellow light is always on, indicating that the battery is supplying normally; A flashing light indicates that it is charging, and a steady red light indicates that the battery is fully charged.
Incoming Call Voice Call Function: After Blue tooth is connected, turn on the call audio mode in the Blue tooth settings. If the phone comes in, you can answer/hang up through the PLAY/STOP button.
When the computer sound card is used: tin the pads in the two boxes corresponding to the Sound Card on the back of the module, and connect it to the computer USB port through the USB cable at this time, and it can be used as a sound card. The sound played by this computer is output through the audio interface of the module.

Package Including
2 * MP3 Audio blue tooth 5.0 receiver board

ASIN	B08D94PGCG
Best Sellers Rank	#37,790 in Electronics ( See Top 100 in Electronics ) #217 in Audio Component Amplifiers
Brand	MakerHawk
Date First Available	July 20, 2020
Item Weight	0.388 ounces
Item dimensions L x W x H	1.18 x 1.18 x 0.12 inches
Item model number	1449XG9T610454X
Manufacturer	MakerHawk
Material	Plastic, Metal
Maximum Supply Voltage	5 Volts (DC)
Minimum Supply Voltage	5 Volts
Mounting Type	Surface Mount
Number of Channels	2
Package Type Name	Blister pack or Clamshell package
Product Dimensions	1.18 x 1.18 x 0.12 inches
UPC	738582497283
Voltage	5 Volts

MakerHawk 2pcs Blue Tooth Audio Receiver Board B T 5.0 Stereo Audio Amplifier 3.7-5V Car Speaker Amplifier for DIY

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