đ[Bluetooth Transmitter Mode] Plug in a non-Bluetooth device via AUX/RCA jack in TX mode and let the non-Bluetooth device transmit signal to the Bluetooth device to make sound. Such as TV, computer and MP3 player without Bluetooth transmits Bluetooth signal to Bluetooth speaker/headphone/sound bar. Simply connect the Bluetooth transmitter to your old device and enjoy the high quality sound of a wireless speaker. | đ [Bluetooth Receive Mode] Plug in a non-Bluetooth device through the AUX jack in RX mode and let the non-Bluetooth device emit sound. Such as car speakers/home video/vintage speakers/wired headphones without Bluetooth to make non-Bluetooth devices receive the Bluetooth signal from your phone. Simply connect the Bluetooth transmitter to your old device and enjoy hands-free calling, HD quality wireless music. | đ[Upgraded Bluetooth 5.3 Clearer Sound] Bluetooth transmitter receiver 2 in 1 is Equipped with the latest Bluetooth 5.3 technology, optimizing the transmission delay and connection defect problems of the old Bluetooth 5.0. Our Bluetooth 5.3 adapter will bring you a faster, more stable, and smarter connection with less sound quality loss. up to 100ft working distance, enough for daily use. | đ[Innovative LED Digital Display] Another unique feature of this portable Bluetooth stereo adapter is its LED screen. On it, we can know the current status of various functions like the volume levels and exact power quantity. It can remind us to charge in time so that we can play music without interruption. | đ [Enhanced Dual Mics] Dual microphones work in tandem to collect your voice from all directions, Upgraded CVC 8.0 noise reduction technology blocks out more road noise, wind noise, and other distractions. Thus ensuring that both you and the caller can hear very clearly. Simply press the call button and enjoy easy hands-free calling. | đ[Multi Safety Protection] JOYROOM Bluetooth Adapter strictly follows the national quality standards and has passed FCC, CE, RoHS, BQB, and other certifications. Full metal shell, drop, and wear resistant. Independent button design makes driving safer and easy to control music playback, pause, and answer/reject calls. The Bluetooth AUX adapter has built-in withstand voltage protection, overcurrent protection, short circuit protection, and NTC overheat protection. Keep our equipment safe. | đ [What you get & Warranty Policy] Bluetooth transmitter receiver x 1, charging cable x 1, 3.5mm audio cable x 1, 3.5mm audio adapter x 1, metal plate x 1, user manual and warranty card x 1. If you have any problems or are not satisfied with our products, please contact our customer support team and we will solve your problem.