Features 1.PLUG AND PLAY: DAC converter supports U disk, coaxial, optical, 3.5mm interface input. Plug and play, 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. 3.WITH REMOTE CONTROL: Digital to analog sound converter with remote control, clear interface, a variety of functions to operate with ease. 4.SUPPORT DEVICES: Digital to analog converter supports cell phones, computers, TV, projectors, amplifiers and other devices for more immersive game viewing. 5.EASY TO USE: Cell phone Bluetooth connection receiver Bluetooth, with AUX cable to connect the old stereo or amplifier. specificationItem Type: Digital To Analog Sound Converter_x000D_ Material: Aluminum Alloy_x000D_ Input Interface, Output Interface: 3.5mm, Optical, Coaxial, USB, Memory Card_x000D_ Bluetooth Protocol Support: A2DP AVRCP HFP HSP_x000D_ Sound Decoding Support: WMA WAV FLAC APE MP3 Etc. Bluetooth Decoding: SBC_x000D_ Bluetooth Receiver Version: V5.3_x000D_ Bluetooth Receiver Distance: Within 30m/98.4ft_x000D_ Supported Devices: Cell Phone, Computer, TV, Projector, Amplifier, Set Top Box, For PS4, Etc._x000D_ Effective Mode: Bass, Normal, Treble_x000D_ Remote Control Battery :1 x CR205(Not Included) PackageList 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