Feature:1. Made of good quality alloy material, coated with anti-corrosion paint, very durable2. The surface is smooth and greatly improves the service life, can be used for a long time3. Adopt one piece molding without burr, possess smooth surface and simple installation4. The product possess light weight, one-handed operation reduces operator fatigue5. DAC headphone amplifier have stable structure, excellent performance and long service lifeSpecification:Item Type: DecodeMaterial: Aluminum alloyModel: AK4493Bluetooth Chip: DSD512Bluetooth Version: 5.0Remote Control Board Battery Model: CR2032(not included)How to Use:1. Accurately connect the interface according to the product identification2. Turn on the switch to use3. Turn off the machine after use, and then unplug the connector.Package List:1 x Remote Control Board1 x Connection Line1 x Decoder1 x Antenna1 x Adapter