Features: 1 in 4 out stereoed sound signal distributor: supports the allocation of 1 sound input signal to 4 outputs, meeting the needs of multiPLE device access. USB5V power: Convenient USB power, easy to connection, and more convenient to use. Without loss output 3.5mm interfaces: Use 3.5mm interfaces to output sound signal, ensuring quality transmission. Small size: small in size, suitable for placing on the desktop, carrying around, convenient and flexible. Simple operate: One sound input and four outputs, easy to operate, suitable for ordinary users and sound enthusiasts. Specifications: Color: Black Size: about 87x52x22mm/3.43x2.05x0.87inch Input channel: Supports 1 set of stereoed inputs Output channel: Supports 4 set of stereoed simultaneous output Impedances: 10KΩ -50KΩ Interfaces:standard 3.5mm port is used for input and output Power supply: USB 5Volt power Package Includes: 1pc 1 input 4 output Sound Signal Selection Switcher note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.