FiiO DK1 Pro Multifunction Type C Charging Dock/Stand M11S/M11 PLUS/M15/M15S/M17 Multifunctional, multipurpose DK1Pro adopts a multi-interface design and has an independent Type-C power supply interface, which can meet a variety of uses. Charging + USB Audio DK1 Pro allows your device to use the USB Audio function while charging, which can solve the problem of mobile phones and players not being able to charge during use. It is also equipped with a charging switch to be compatible with more devices. USB Audio Pair it with a FiiO M series player or mobile phone and use the back interface of DK1 Pro to connect to a K series or Q series decoding device to realize the USB Audio function. USB Audio+U disk/mobile hard disk Paired with FiiO M series players or mobile phones, use the back interface of DK1 Pro to connect to decoding devices such as K series or Q series, and then use the other interface to connect to a USB flash drive or mobile hard drive. It can not only read data from the USB flash drive/mobile hard drive, but also Implement USB Audio function. Simple, not simple The curved "back-to-back" design made of aluminum alloy is not only stable, reliable and comfortable to place, but the certain elevation design is also more in line with your usage habits. The design is simple without sacrificing details. The DK1 Pro has a flexible base that can be flexibly adjusted to facilitate the plugging and unplugging of devices. It has a special anti-slip cushion pad on the backrest and a non-slip silicone pad on the bottom. The double anti-slip reinforcement prevents accidental wear and tear on the device. It is so considerate. Just to put your mind at ease. Precautions 1. Some devices cannot output USB Audio when charging. Please switch Charge to OFF. This mode is compatibility mode. 2. Supports M11 Plus, M11 Plus LTD, M11S, M23, M15S, M17 FiiO portable players and most mobile phones. 3. When using the USB Audio function, some mobile apps may not support the USB Audio function. It is recommended to use the FiiO Music APP for playback. 4. When the adapter supports PD fast charging, most devices can be fast charged when connected to a mobile phone or player, but some devices may not be compatible.