Feature:1. Adopts the builtin HS100B chip, stable transmission, low power consumption, good chip without external power supply, to avoid electromagnetic interference in the chassis, to avoid the original part of the system noise.2. The interface insulation layer is made of highquality PVC environmental protection material, with builtin shielding layer. The shell is made of aluminum alloy, and the surface is treated with oxidized frosted processing, making the product wear and durable.3. Plug and play, automatic installation drive, convenient and fast, no need to dismantle the machine, stable transmission.4. Compatible with USB2.0 pure digital audio output, virtual 7.1 channel processing capability.5. The system does not need to install the driver, simple operation as long as the headphones or speakers, beautiful music can be immediately appreciated. Compact size, easy to carry.Specification:Condition: 100% Brand NewItem Type: External Sound CardMaterial: Aluminum Alloy Channel: 7.1 ChannelIt is suitable for mobile phones, laptops and tablets24PIN connector, 12PIN up, 12PIN down, general positive and negativeCompatible with USB2.0 pure digital audio output, virtual 7.1 channel processing capabilityThe system does not need to install the driver, simple operation as long as the headphones or speakers, beautiful music can be immediately appreciated. Compact size, easy to carry..Package List:1 x External Sound Card