Make your favorite wired headphones wireless with the Astell&Kern XB10 Portable Bluetooth Receiver. It uses Bluetooth 4.1 technology with support for the aptX HD codec for an enhanced listening experience with similarly compatible devices. The XB10 provides a 32.8' wireless range, allowing you to go about your day untethered. It has a 3.5mm unbalanced output for common headphones and a 2.5mm balanced output for use with audiophile headphones.
The XB10 features a built-in microphone, allowing you to use your wired headphones for phone calls even if they don't have their own microphone. The built-in battery will provide up to 5 hours of streaming or talk time and up to 300 hours of standby time.