The FiiO BTR11 is an advanced Bluetooth headphone amplifier that impresses with its sound quality and ease of use. Featuring the BES2700 chip and Bluetooth 5.3, it guarantees stable and high-quality audio transmission. With support for LDAC and AAC, it enables wireless HiFi audio, making it ideal for music lovers who prioritize sound quality on the go. With an output power of up to 45 mW (at 16 Ohms), the integrated headphone amplifier of the BTR11 provides enough power for a variety of in-ear and over-ear headphones. The sound reproduction remains precise and distortion-free even at high volumes. At the same time, the noise cancellation of the omnidirectional microphone ensures clear and distinct phone calls even in noisy environments. The FiiO BTR11 stands out with its sleek, minimalist design and is extremely portable at just 13 grams. The buttons for volume, track forward/backward, answer/end/reject calls, etc., make operation easy, and an LED indicator shows the Bluetooth status and battery level. With a battery life of up to 15 hours and fast charging via USB-C, the BTR11 is quickly ready for use again. A special highlight of the FiiO BTR11 is the ability to connect two devices simultaneously. This offers unparalleled flexibility, allowing the user to easily switch between different sources. Thus, the device is a versatile companion for everyday life, whether in the office, in the car, while traveling, or relaxing at home. The FiiO BTR11 impresses with support for Hi-Res audio, which provides a significantly better sound experience compared to the standard SBC Bluetooth codec. The integrated headphone amplifier also delivers enough power to optimally drive demanding headphones. The practical clip on the back allows for easy attachment of the BTR11 to clothing or a bag.