FEATURES °Compact Bluetooth headphone amplifier with powerful technology to deliver high-quality wireless sound to your headphones °50 mW + 50 mW high-output amplifier drives connected headphones to perform at their maximum potential °Supports high-quality LDAC, aptX and AAC audio codecs °Output mode switch allows selection of output impedance suitable for dynamic or balanced armature drivers °32-step multilevel digital volume selection °LED status indicators display the currently connected codec, the pairing and charging status, and the remaining battery level °ESS Technology ES9118 HiFi System-On-Chip (SoC) ensures faithful reproduction of the original sound °Jitter is suppressed by controlling the clock from the wirelessly transmitted input signal side, resulting in crisp, clear audio quality with high transparency °Built-in microphone allows you to take calls from a paired smartphone °Aluminum housing reduces unwanted resonance °3.5 mm (1/8") stereo output jack °Up to 8 hours of continuous use °Includes belt clip and 30 cm (1') USB charging cable