Features: It is a converter that transmits wired audio signals through Bluetooth-compatible4.0, you only need to insert it into the 3.5mm interface, and pair it with your Bluetooth-compatible headset or speaker. Plug for play, without installing any drivers and software. to free drive. Suitable for any audio equipment with 3.5mm interface, such as: Hi-Fi audio, for-iPod, for PSP, MP3 Player, TV, computer, CD computer headphone jack...etc. Transmitter Mode: Wirelessly stream audio from a non-Bluetooth TV, home stereo or CD player to a Bluetooth-enabled headset/speaker/receiver. Receiver Mode: Wirelessly stream audio from a Bluetooth-enabled phone, tablet, or computer to a wired stereo, speakers, or headphones. Wireless noise reduction technology, clearer sound, easier and faster connection, more stable signal, faster transmission.Transmit and receiver 2 in 1. Note: Bluetooth-compatible headsets and speakers must support A2DP protocol to connect to our Bluetooth-compatible transmitter, and only one device can be connected at the same for time. Specifications: Item: Audio Transmitter Receiver Bluetooth-compatible version: 4.0 Interface: 3.5 Bluetooth-compatible distance 10 meters Max/33ft Frequency response 2480Mhz Transmission Rate:4 (Mbps) Size:Mixed(As Pictures) Material: ABS Color: Black Bluetooth-compatible protocol: Support A2DP for Bluetooth-compatible headsets and speakers Note: Bluetooth-compatible headsets and speakers must support A2DP protocol to connect to our Bluetooth-compatible transmitter, and only one device can be connected at the same for time. Package includes: 1 PC x Audio Transmitter Receiver 1 PC x Manual