1. The Bluetooth core adopts CSR's QCC3003 chip, supports A2DP, AVRCP, HFP, AAC, I2S, etc., adopts 16M SPI FLASH memory chip. DAC adopts imported PCM5102
2. Electrolytic capacitor adopts the golden word SANYO 470UF/16V electrolytic capacitor to ensure strong and continuous power support.
3. The resistor uses high-precision chip resistor to ensure a good signal-to-noise ratio of the whole machine.
4.PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and tin-spraying process to ensure good passing performance of large and small currents.
Product Name: YJ-QCC3003 Bluetooth 5.0 Module
PCB size: 60MM*59MM
Working voltage: DC 7-12V (inside + outside -)
Function: Bluetooth 5.0 receiving distance is about 10 m