1mii B06+ Wireless Audio Adaptor instantly upgrades your wired speakers or headphones to wireless. Enjoy wireless music without the nagging of wires. You can connect the device to a power source, connect your speakers or headphones to the device using the included audio cable, and then pair the device with your smartphone, tablet, or computer via Bluetooth to start playing music wirelessly. You can even pair two devices simultaneously and switch between them. With a long battery life, you can enjoy hours of uninterrupted music streaming.