Bl12a3 Bluetooth Link Full

: Reserved MIC ports allow for hands-free calling and recording when paired with a smartphone. No-Announcement Startup

A: Use a high-quality 3.5mm cable, keep the device charged, and keep it as close to your phone/headphones as possible to minimize interference. bl12a3 bluetooth full

| Specification | Details | | :--- | :--- | | | BL12A3H | | Working Voltage | DC12V | | Working Current | 500mA (Max) | | Bluetooth Version | 4.1 | | Wireless Transmission Range | > 10 meters (33 feet) | | Frequency Range | 2.400 - 2.480 GHz | | Transmission Power | 7dBm (Max) | | Audio Signal-to-Noise Ratio (SNR) | > 90dB | | Distortion | < 1% | | Output Power | 3W x 2 @ 4Ω | | Power Input Interface | 5.6 x 2.0mm DC jack | | Dimensions | 101 x 45 x 25 mm | | Data Source | Product Specifications | : Reserved MIC ports allow for hands-free calling

Ensure the baud rate set in your Arduino code matches the hardware baud rate configured on the BL12A3 (default is usually 9600 or 38400 for AT mode). Also, verify that line endings are set to Both NL & CR in your serial terminal. Also, verify that line endings are set to

: On most touch-sensor smart mirrors, press and hold the dedicated Bluetooth icon sensor for 3 seconds. A distinct system chime will play to indicate the receiver is awake.

: Uses standard Bluetooth 5.0 (or similar) for quick pairing with smartphones. Experts at