High quality Bluetooth transmitter and receiver in one. As a Bluetooth transmitter, it sends an audio signal to a Bluetooth receiver, such as headphones or Bluetooth speakers. As a receiver, it can act as stereo headphones (after connecting the headphones with a 3.5mm input) or connected to another audio device. The receiver receives an audio signal from another device via Bluetooth. COMPATIBILITY The device can be paired as a hands-free with any compatible Bluetooth-enabled devices. SAFETY OF USE The transmitter is made of high quality materials which will ensure its durability and long service life. It has a "CE" designation and meets all safety requirements for use. Features of the device Advanced Bluetooth 5.1 technology with transmitter and receiver Low latency and instant audio transmission with improved connection stability, faster pairing and reduced power consumption for connected devices Effortlessly enjoy up to 10 hours of use on a larger internal battery and fast charging within 1,5 hours Suitable for use in the car as a speakerphone Built-in battery