TOLEAD Portable Bluetooth 4.0 Audio Music Streaming Receiver Adapter with Hands Free Calling, Car Bluetooth Transmitter Streaming Adapter with 3.5mm Stereo Output (White) Play music wirelessly from your phone on your home stereo system or speaker with this Bluetooth audio receiver Freedom to move freely in your house as you listen - conveniently control and stream music from up to 33 feet/10 meters away If your phone has NFC, just tap it to the audio receiver to make an instant connection. For Bluetooth phones or computers without NFC, the pairing process is the same as if connecting other regular Bluetooth audio receivers and speakers. Bluetooth v4.0 with EDR for superior wireless performance; Support A2DP, APTX,CLASS 1&2; Two-Link: can connect two Bluetooth devices at the same time; Powered by 5V DC; Built-in rechargeable 250mA Li-battery; Output Current: 1A, Output Voltage: 5V