Item Type: Bluetooth AdapterMaterial: ABSBluetooth Version: V5.0 + EDR, A2DP, HSP, AVRCPBluetooth Distance: Approx. 10m/32.8ftWorking Voltage: 5VWorking Current: 50maInput Interface: Approx. 3.5mm/0.1inPackage List1 x Bluetooth Adapter1 x Audio Line1 x ManualNote: This device cannot be used to answer calls.12 in 1: Universal Bluetooth Audio Adapter enables your TV and other non Bluetooth devices to stream audio to your Bluetooth headset via Bluetooth, or enables your home stereo Bluetooth to receive wireless music streaming from your phone and tablet . 2Modes: Transmitter mode: The new upgrade adds an LCD display, which can search and display 8 nearby Bluetooth devices to connect at the same time, more intuitive and convenient to use. Receiving mode: In the receiving mode, you can adjust the volume, play up and down songs, etc. 3Bluetooth 5.0 + EDR: It can achieve a more stable connection with the device, up to 50 feet outdoors and 35 feet indoors. You can enjoy TV programs or CD like music from smart phones or other Bluet devices through the Mini Bluetooth transceiver. 4Excellent Sound Quality: Enjoy HiFi fun, built in AEC echos cancellation and ANC anti noise circuit, restore pure sound quality. Compatible models include power amplifiers, TVs, Bluetooth speakers, Bluetooth headsets, notebooks, desktops, mobile phones, car radios, etc. 5USB Power Supply: Charge it on the USB port and connect it to the device via an audio adapter when in use. Wired and wireless are switched in one second, and Bluetooth is quickly paired and connected, which is more convenient to use.