Bluetooth Stereo Transmitter,Sinvitron? Mini V4.0 A2DP Portable Wireless Stereo Music Transmitter Support Two Bluetooth Headphones/Headset/Speakers Simultaneously for TV PC MP3/MP4 Etc. High-Fidelity Systems, The Sinvitron Bluetooth Transmitter 4.0 with A2DP for enhanced audio quality much less lags or delay, allows you to enjoy the stereo music without wire restriction or watch TV quietly (not for answering calls) Exquisite DesignSuper mini portable audio bluetooth transmitter,lightweight and durable, Work with any type and brand of device such as TV, PC, CD player, iPod, Kindle Fire, DVD, MP3, MP4 player, headphone, speaker and other bluetooth stereo audio enabled system Simultaneously Pair with Two Bluetooth Devices,you can hear audio from both headsets;Works perfectly when paired with 1 bluetooth speakernot suitable for paired with 2 bluetooth speaker simultaneously Built-in battery, this Sinvitron wireless transmitter with excellent battery life, A full charge lasts about 5 hours, with dual mode, you can also use it plugged with AC adapter without worrying about the battery Easy pairing with Bluetooth stereo headset,speakers and other Bluetooth stereo audio enabled system, with standard 3.5mm audio socket and cable enable this Bluetooth transmitter to connect to for audio devices