Double matching ability: Connect to two devices at the same time for shared sound experiences. It is perfect for traveling with a friend or enjoying the synchronized sound at home. . Bluetooth transmitter and receiver in 1: To effortlessly adapt to any audio environment. Switch between donor and receiving modes for uninterrupted connection on airplanes, TVs, gyms, car stereos and more. . Deformed Bluetooth 5.3 Technology: Unrivaled balance, compatibility, and an impressive range up to 33 feet, Bluetooth 5.3 with flawless sound transmission. Enjoy high quality, uninterrupted sound. . Sleeping battery life: Enjoy continuous use in transmitter mode up to 16 hours and up to 13 hours in receiver mode. Charging completely in just one hour with the USB-C port. Universal compatibility: Aircraft, television, Nintendo Switch, Xbox, PlayStation), gym equipment, vehicle stereo systems, home sound systems, and more work with all devices with 3.5 mm sound jacket. Note: RX mode only supports microphone search use