Features 1. PLUG AND PLAY: DAC converter supports U disk, coaxial, optical, and 3.5mm interface input. Plug and play functionality with Bluetooth wired playback or Bluetooth transmitting. 2. STABLE SIGNAL: Digital to analog sound adapter uses a highly sensitive infrared receiver and transmitter for stable signal transmission. 3. WITH REMOTE CONTROL: Digital to analog sound converter includes a remote control with a clear interface and multiple functions for easy operation. 4. SUPPORTS DEVICES: Digital to analog converter is compatible with cell phones, computers, TVs, projectors, amplifiers, and other devices for enhanced audio experience. 5. EASY TO USE: Connect via Bluetooth to a cell phone or use the AUX cable to connect to older stereos or amplifiers. Specification Item Type: Digital To Analog Sound Converter Material: Aluminum Alloy Input Interface, Output Interface: 3.5mm, Optical, Coaxial, USB, Memory Card Bluetooth Protocol Support: A2DP, AVRCP, HFP, HSP Sound Decoding Support: WMA, WAV, FLAC, APE, MP3, etc. Bluetooth Decoding: SBC Bluetooth Receiver Version: V5.3 Bluetooth Receiver Distance: Within 30m (98.4ft) Supported Devices: Cell Phone, Computer, TV, Projector, Amplifier, Set Top Box, PS4, etc. Effective Mode: Bass, Normal, Treble Remote Control Battery: 1 x CR205 (Not Included) Package List 1 x Sound Converter 1 x Remote Control 1 x Coaxial Cable 2 x Sound Cable 1 x Fiber Optic Cable 1 x USB Cable 1 x Instruction Manual