[Transmitter Receiver 3 IN 1] Bluetooth adapter combines transmitter and receiver in one with a 3.5mm aux jack. With the latest Bluetooth V5.0 chip, Bluetooth connection is more stable and wireless range is more than 33 feet. Updated Bluetooth 5.0 ensures stronger signal transmission and less crackling, hissing or sound deterioration. Easy to pair and compatible with 99.9% Bluetooth devices.Bluetooth EverywhereRealizes wireless connection with various Bluetooth devices by connecting the transceiver to non-Bluetooth devices. And achieve a connection range of up to 50ft (15m) in open air and up to 33ft (10m) indoors. *Operating range can be affected by multiple factors.[Always On/Long Battery Life] The Bluetooth transceiver continuously streams even while charging. Built-in 300mAh battery serves you about 10 hours after 1 hours of full charge. Enjoy your favorite wireless content all the time.[Easy Operation] There are Multi-functional buttons on the Bluetooth adapter, you could pause/play music, skip next/last track, increase/decrease volume just by operating the adapter, very convenient. (Only applied for Receiver Mode/Mono only)