Captcha® Bluetooth Stereo Adapter Audio Receiver 3.5Mm Music Wireless Hifi Dongle (For Samsung, Motorola, Sony, Oneplus, HTC, Lenovo, Nokia, Asus, Lg, Coolpad, Xiaomi, Micromax and All Android Mobiles) Size name:Receiver Type 2   With this device you can make any speaker including your car home or even your computer speakers wireless. It will enable you to play Music directly from your phone to your speakers with high quality sound through your phone's Bluetooth. You do not have to throw away your old speakers just invest in this adapter and your old speakers will be bluetooth compatible. That this device is powered by usb. You can put this device directly into a usb wall socket for it to work or any other USB port. Features: Lets ordinary speakers instantly become wireless Bluetooth stereo audio music speakers Can be paired to any Blth enabled devices such as mobile phone laptops speaker and Bluetooth audio transmitter Make any speaker play wireless music Instructions for use Insert the receiver into the speaker's usb interface and the other end connected with the 3.5mm audio cable to the receiver and the LINE-IN interface of speakers Open the Bluetooth-enabled mobile phone after the pairing is successful