【🎧 Bluetooth Transmitter Receiver & TF Card】: the Bluetooth Adapter is plugged into non-Bluetooth devices (TV, PC and MP3 player) via AUX/RCA jack, transmits audio to Bluetooth headphones/speakers/soundbars; RX ( Receiver ): the Bluetooth adapter is plugged into wired speaker/earphones, receive audio from smartphones via Bluetooth. Insert the TF card, you can let the wireless/wired earphone or speaker play music. | 【🎧 Low Latency & Stable Connection】 The Bluetooth Transmitter ReceiverWith low latency encoder applied the audio delay has been minimized to approximately 40ms, and provides more stable Bluetooth audio streaming, allows you to enjoy CD-quality sound in sync. Note: Bluetooth headphones/speakers are also required to support low latency technology. | 【🎧 Display Screen 】Portable bluetooth transmitter adopt unique visual screen design,will show whether the product is in TX mode or RX mode, battery, TF card music playing time etc.You can easily find out about the Bluetooth receiver transmitter。 | 【🎧Up to 10 Hours of Battery Life】- The working time of this aux Bluetooth adapter is up to 10 hours when making calls or playing music. And it takes only 1 hours to fully charge the device by using a Type Micro-B fast charging cable (Included in the package). In addition, this Bluetooth music adapter no driver required, plug & play, one-button switching of receiving/transmitting. Supports play while charging, has 10 hours long battery. | 【🎧Wide Compatibility & 】:- Bluetooth TV transmitter Receiver without installing any external driver.The receiver transmitter can be directly used for PC via USB. (Requires USB plugged in power to power the device).We offer free return or replacement service, please contact us if you have any questions. | 【🎧Portable】:The compact bluetooth adapter is small, lightweight and easy to carry.Package includes: 1 x Bluetooth 5.0 2-in-1 Adapter ,1 x 3.5mm Audio Cable,1 x 3.5mm Female to 2 RCA Male Cable,1 x USB Charging Cable,1 x User Guide | 【🎧Enjoy the Silence】:Benefit from bluetooth audio when exercising, watching Late night TV shows, or simply when you want to keep the entertainment for yourself only | ❗Note: If your Bluetooth does not connect to your phone, headset, speaker, please check the following: 1. if it is in the correct connection type, TX/RX . 2. if your device stays connected. 3. if it restarts Bluetooth when it cannot connect. Quality Assurance: KotiSIG's products, which are subjected to rigorous quality testing, come with a . | Installation type: Plug In