Not only is it compatible with 64GB USB flash drives, this adapter also supports multi-format playback to meet your different usage needs. And it increases the signal coverage for more stable and lag-free transmission. You can use this converter to convert your wired audio into wireless audio, freeing you from the distractions of traditional audio cables, and it comes with a Bluetooth-compatible 5.3 chip that is high performance, and low latency, and provides you with a high-fidelity music listening experience. It is constructed of ABS metal material. The length of this product is 8.3cm and the width is 5.6cm. This digital audio converter is suitable for family theater, speaker, amplifier, earphone and so on. Item Name: Adapter Material: ABS Metal Interface: TYPE-C Powered, AUX/RCA Input Voltage: 5V Bluetooth-compatible Version: 5.3 Transmission Distance: 10 Meters Features: Multi-format Support, Dual Interface Output, HD-compatible Sound Quality Size Details: L: 8.3cm/3.27", W: 5.6cm/2.2" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Main Unit 1 x User Manual 1 x Power Cable 1 x Audio Cable