Morjava BT-310 Portable wireless bluetooth audio receiver/adapter Bluetooth Car Kits for Music Streaming System Equipment car bluetooth adapter 1.Wide compatibility: Bluetooth 4.0 Receiver compatible with most smartphones and Bluetooth electronics; ideal for home or vehicle audio systems 2.Enjoy music:you can listen to music from your phone, laptop or iPod without the hassle of cables 3.Talk with clarity: Hands-free calling with the built-in microphone makes catching up with friends a breeze 4.Use it for longer:8 hours of talk and play time, or up to 200 hours on standby 5.Compatible with family AV system / home electronics / headset / automobile / motorcycle / speaker / boats / RVs