Adds Bluetooth transmitting capability to various compatible audio devices, so you can transmit audio wirelessly from a laptop, desktop computer, TV, and more Works with most devices with a 3.5mm auxiliary output, headset output, or RCA output jack Bluetooth 5.0 connectivity with aptX low-latency codec support guarantees incredible wireless performance Dual streaming support lets you pair two pairs of Bluetooth headphones, thereby allowing you to stream to both devices simultaneously Up to 50-foot wireless range provides great freedom from wires and cords Sleep mode function automatically turns off in less than 5 minutes after being disconnected from any device Integrated lithium-ion battery keeps the transmitter running up to 10 hours of on a full charge, and also allows to charge while streaming