Features:

• High quality rotary switch
• Easy to use and install
• Hot-swappable (no need to reboot computer)
• Manual switch buttons (selector/mute)
• Ideal for small office or home audio system
• 2 * RCAinput, 2 * RCA output, 1 * 3.5mm input,1 * 3.5mm output
• 4 audio devices =>3 selectable outputs (manual selection switching)
• Mini size: W150*D105*H68 mm, easy to install on your desk
• Weight: 485g (0.6Kg with package)

How to use Bluetooth:

1. Turn your cellphone bluetooth function ON
2. Search bluetooth device, find out the name"WIN-668", and pair it, DO NOT NEED ENTER ANY CODE
3. Then you can play your cellphone music through Bluetooth
4. Tips: Bluetooth receiver output power is 20mW, so it's can be direct work with 12~120 ohm headphone, just make sure turn your cellphone volume to higher.

How to install the bluetooth antenna:

1. Hold the antenna BLACK part erect and do not move it.
2. Then tighten the antenna screw to the antenna socket, until the antenna fixed on the socket
3. Notice:do not try to Rotate the whole antenna to tighten the screw!

Package Includes:

• 1× Audio Selector
• 1× Power Supply
• 1× Antenna