SMD Bluetooth Receiver Transmitter KN319 4 point 2 RCA 3 point 5MM AUX

The KN319 Bluetooth 4.2 2-in-1 Receiver and Transmitter is a compact and versatile wireless audio solution designed for various audio applications. This module seamlessly switches between transmitter (TX) and receiver (RX) modes, allowing you to either stream audio from non-Bluetooth devices to Bluetooth headphones/speakers or receive Bluetooth audio on traditional sound systems. Equipped with both RCA ports and a 3.5mm AUX jack, it offers universal compatibility with TVs, home theaters, car stereos, headphones, and speakers. The built-in 200mAh rechargeable battery provides 5-6 hours of continuous operation, while the 10-meter transmission range ensures reliable wireless connectivity. With support for A2DP and AVRCP protocols, this module delivers high-quality stereo audio with intuitive control. Its low power consumption and portable design make it an ideal choice for upgrading existing audio equipment with Bluetooth capabilities without replacing expensive components.