Bluetooth Receiver Adapter Kit Music Receiver Bluetooth Speaker Wireless Speaker Kit Turns Home Stereo System with 3.5 mm Jack Into Wireless Speakers For Bluetooth Enabled Devices by Ideas In Life BLK Transform your regular wired home sound system, stand alone speakers home stereo system with a 3.5 mm line-in jack into a wireless speaker system with the Bluetooth Receiver by pairing your enabled device with the wired speaker system or home stereo using this Bluetooth Music Receiver. Perfect for Home, Office. Connect any bluetooth enabled device like a smartphone, cellphone, mobilephone, laptop, computer, bluetooth audio transmitter by pairing it to a wired stereo system and stream your music and audio. Use it in your home, rv, cabin, motor home, or other audio systems with 3.5mm jack. With Built-in Rechargeable battery that charges with a usb cable included. Wireless Range 30 feet with line of sight. Bluetooth spec: v2.0 Compact in size about 2.4" Wide x 1.4" High x 0.5" Deep approximately. With On-Off Switch to turn off when not needed. Built In Rechargeable battery charges with USB Cable included. Simple Set Up. Turn on Bluetooth Music, Pair it with Bluetooth enable device using passcode "0000" and enjoy your music and audio.