Masione 2-In-1 Mini Bluetooth 3.0 Transmitter & Receiver - Wireless Portable Car Home Music Stereo Audio Adapter for Speakers, Headphone, TV, PC, iPhone, iPod, iPad, MP3/MP4 2-In-1 Transmitter & Receiver Bluetooth-Enable All 3.5mm Media Devices. Masione Bluetooth 2-In-1 Receiver/Transmitter, Is Simple To Use And Enables Any Bluetooth Enabled Music Device To Connect Both Bluetooth And Non-Bluetooth Devices. Simple One-Button Switch To Shift Between Transmitter (TX) And Receiver (RX) Mode. TX Mode: Plug In To Your Non-Bluetooth Device And Pair Up Your Bluetooth Speaker Or Headset. RX Mode: Plug Into Your Non-Bluetooth Speaker And Pair Up Your Bluetooth Phone Or MP3 Player. Transmitter Function Allows You To Plug Into TVs, MP3 Players, Radios & Computers To Pair And Sync With Your Bluetooth-Enabled Headphones, Speaker System, Or Smartphone. Receiver Function Allows You To Plug Into Non-Bluetooth Devices Such As Your Car, Headphones, And Speaker System For Wireless Audio Streaming With Your Bluetooth-Enabled Smartphone, Tablet, MP3 Player And More. Bluetooth 3.0 With A2DP For High Quality Audio Sound. Can Use While Charging. Extra-long Built-In Battery Provides Up To 8 Hours Playing Time And Only Need 1.5 Hours To Charge It Fully.