The FiiO BTR11 is an advanced Bluetooth headphone amplifier that impresses with its sound quality and ease of use. With the BES2700 chip and Bluetooth 5.3, it enables stable and high-quality audio transmission. Thanks to LDAC and AAC support, it enables wireless hi-fi audio, ideal for music lovers who value sound quality on the go. With an output power of up to 45 mW (at 16 ohms), the BTR11's integrated headphone amplifier provides sufficient power for a wide range 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 enables clear and distinct phone calls even in noisy environments. The FiiO BTR11 impresses with its slim, minimalist design and is extremely portable at just 13 grams. The buttons for volume, song forward/back, accept/end/reject calls etc. make it easy to use and an LED light indicates 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 particular highlight of the FiiO BTR11 is the ability to connect two devices simultaneously. This offers unrivalled flexibility, as the user can easily switch between different sources. This makes the device a versatile everyday companion, whether in the office, in the car, when travelling or relaxing at home. The FiiO BTR11 impresses with its support for Hi-Res audio, which enables a significantly better sound experience compared to the conventional SBC Bluetooth codec. The integrated headphone amplifier also provides enough power to optimally drive even demanding headphones. The practical clip on the back makes it easy to attach the BTR11 to clothing or a bag.