This digital audio converter is plug and play, which is easy and convenient to use.You can enjoy stereo and high-fidelity sound effect because the intelligent and high-performance Bluetooth-compatible chip allows for stable and quick transmission.Made of ABS and metal, this digital audio converter is eco-friendly, durable and lightweight to use.The length of this digital audio converter is 10.5cm, width is 7.3cm and height is 2.3cm.This digital audio converter is suitable for family theater, speaker, U-disk music, family KTV and phone music.Item Name: Digital Audio ConverterMaterial: Metal,ABSChip: Zhongke AB5301AInput: 3.5 Optical/Coaxial/Bluetooth-compatible/U DiskOutput: RCA R/L Channels/3.5 StereoPower Supply Interface: DC5V2ABluetooth-compatible: 5.0Features: Plug Play, High Fidelity, Stable OutputSize Details: Audio Converter: 10.5cm x 7.3cm x 2.3cm/4.13" x 2.87" x 0.91" (Approx.)USB Power Supply Cable Length: 75cm/29.53" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:1 x Digital Audio Converter1 x Antenna Cable1 x USB Power Supply Cable