Bluetooth V4.1 Transmitter and Receiver, Portable Wireless Adapter/Kit with 3.5mm Stereo Output for Headphone,Speakers,TV,PC,MP3/MP4,Car Stereos(APTX Low Latency, A2DP, 12 Hours Playtime) 1. Bluetooth V4.1 Audio Transceiver with aptX & aptX Low Latency: Supports the latest Bluetooth V4.1, With aptX, you can enjoy CD-quality sound wirelessly over Bluetooth connections with aptX-source devices like TV's, phones or tablets; with aptX Low Latency, you can now watch video while listening to wireless audio in a synchronized fashion AND without any noticeable audio delay 2. Supports Dual Stream & MultipointWhen used as a Bluetooth transmitter, it can be paired to two Bluetooth Headphones or speakers, and streams audio to both of them simultaneously. Working as a Bluetooth receiver, it can still be paired to two of your smartphones or tablets, but the receiver can only receive the audio from one of the two paired devices. 3. Bluetooth Transmitter for TV Listening, iPod, PC or More. It can help transmitting stereo audio wirelessly from your non-Bluetooth audio sources such as TV, MP3, CD player, PC, eBook reader to your Bluetooth-enabled headphones, speaker or receiver. This way, you can enjoy high quality music wirelessly or listen to late night shows without disturbing your loved ones while they sleep 4. Bluetooth Receiver for Car or Home Stereo. Simply connect it with your wired headphones, speaker or car stereo via 3.5mm cable, and pair it with Bluetooth-enabled audio sources such as your smartphone, tablet or laptop to enjoy music wirelessly 5. What You Get: 3.5mm Bluetooth 4.1 Receiver and Transmitter, Micro USB charger cable, 3.5mm audio cable, Welcome Guide, 18 month extended warranty and 24/7 friendly customer service