BTR11 Bluetooth 5.3 Receiver LDAC 3.5mm Built-in Mic Wireless Audio Headphone Amplifier Adapter (Black)

BTR11 supports the LDAC Bluetooth audio format and Bluetooth 5.3, delivering HiFi-level wireless Bluetooth sound quality. During continuous music playback, the working time reaches 15 hours. When the battery is low, it takes only 1 hour to charge up to 90%, close to full capacity. Weighing only 12.5 g and measuring about 5.5 cm, it provides two convenient carrying options: an elastic back clip and a lanyard for easy carrying. With a built-in high-performance independent ear amplifier and an output power of up to 45mW (16), it enables wired headphones to deliver excellent performance and provides high-quality music comparable to a wired connection via Bluetooth. It features a built-in high-sensitivity omnidirectional microphone with call noise reduction for clear calls. It can instantly turn wired headphones into Bluetooth wireless headphones. It can also add Bluetooth capability to non-Bluetooth speakers or speakers that do not support LDAC, or enhance them to support higher-quality Bluetooth formats