Description: Large LCD screen design, can freely choose headset or speaker to connect. 2 in 1: The audio adapter allows you to stream audio to your headphones via TVs and other devices, or let you receive wireless music from your phone and tablet at home. Works with a device that has a USB port and a 3.5mm female port. Easy to use and carry, Plug Play, no need to install external driver. Supply voltage: DC 5V (USB powered, no built-in battery) Specification: : V 5.0 Transmitting distance 10 meter oacute;w Receiving distance 10 meter oacute;w Voltage: DC 5V Package includes: 1x Host 1x 3.5mm Audio Cable 1x Cable for charging 1x user manual Note: Please allow slightly 0-1cm difference due to manual measurement. Colors may vary depending on lighting and how the auction is viewed. Thanks for your understanding and attention. I wish you pleasant purchases!