Little Bear MC403 Mini 4IN3OUT Audio Selector Box 35mm RCABluetooth Switcher SpeakerAmplifier Selector Splitter Box Bluetooth 40 Receiver Passive Preamp 35mm amp RCA amp BT

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 * 3.5 mm input, 1 * 3.5 mm output 4 audio devices =>3 selectable outputs (manual selection switching)
Mini size: W150*D105*H68 mm, easy to install on your desk
Weight: 485g ( 0.6K g with package) How to use
Bluetooth: Turn your cellphone bluetooth function ON Search bluetooth device, find out the nameWIN-668, and pair it, DO NOT NEED ENTER ANY CODE Then you can play your cellphone music through
Bluetooth Tips: Bluetooth receiver output power is 20mW, so its can be direct work with 12~120 ohm headphone, just make sure turn your cellphone volume to higher. How to install the bluetooth antenna: Hold the antenna BLACK part erect and do not move it. Then tighten the antenna screw to the antenna socket, until the antenna fixed on the socket
Notice: do not try to Rotate the whole antenna to tighten the screw!
Package Includes: 1 Audio Selector 1 Power Supply 1 Antenna