Description: This digital audio converter is plug play and driver-free, which is easy and convenient to use. The stable and quick transmission is supported by the intelligent and high-performance Bluetooth-compatible chip, so you will have excellent listening experience of stereo and high-fidelity sound effect. It is constructed of ABS material. The length of this audio converter is 9cm, width is 5cm and thickness is 2cm. This digital audio converter is suitable for family theater, speaker, amplifier, earphone and so on. Item Name: Audio Converter Material: ABS Frequency Range: 10Hz-20KHz Signal-to-noise Ratio: >110dB Bluetooth-compatible Version: 5.1 Effective Distance: 20 meters Support: A2DP or AVRCP U Disk Supported Format: WAV, WMA, APE, FLAC, MP3 Features: Plug Play, High Fidelity, Stable Output Size Details: 9cm x 5cm x 2cm or 3.54" x 1.97" x 0.79" (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 Audio Converter 1 x Charging Cable 1 x Fiber Optic Line 1 x 3.5mm Audio Cable 1 x RCA Audio Cable 1 x User Manual Note: 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.