[HIFI Bluetooth V5.2 Adaptive]The device features the highest version of Bluetooth, V5.2, and a Qualcomm chip, providing optimal transmission efficiency, stability, and ultra-low power consumption. It supports Adaptive, HD, and Low Latency, ensuring seamless high-fidelity CD quality stereo sound streams.If you're seeking a cost-effective Bluetooth audio receiver and transmitter, this is the . [Support BYPASS function]Convert any one input, optical, coaxial, or AUX, to Optical, Coaxial, AUX, or Bluetooth transmission for four synchronous output . Use the Bypass mode to effortlessly connect your audio systems with your TV and enjoy a perfect connection. [Multiple Compatible Interfaces]Support optical, coaxial, and 3.5mm AUX audio input, as well as Bluetooth dual-channel output. Also support optical, coaxial, and 3.5mm audio output, along with Bluetooth input. [External antenna with 20m LONG-RANGE]Tested indoors over a 20m range without any interruption or delay. The antenna features wide and long transmission capabilities, offering super stable and powerful connectivity. The transmitter receiver is perfect for indoor-outdoor connectivity, regardless of where your speakers or media center are located. [28-HOUR LONG STANDBY TIME]Equipped with a built-in 1000mAh powerful battery, it can last up to 28 hours on a single charge. You can also use it while charging. Supports both RCA and 3.5mm AUX audio connectivity, as well as digital/optical audio input and output, making it compatible with almost all devices. Bluetooth Audio Transmitter Receiver Dual: Bluetooth Receiver - Wirelessly transfer sound from your phone to a speaker. This receiver, equipped with Bluetooth 5.2, allows you to from your smartphone, tablet, or laptop on a speaker, HiFi system, amp, or other audio devices. Utilize the optical or coaxial connections for better results. CODEC RX MODE: Adaptive, HD, , AAC, Bluetooth Transmitter - Connect the adapter to your TV, headphones, speaker, earbuds, HiFi system, and other audio devices. Plug the Bluetooth transmitter into your television for silent watching and listening. Connect the dual transmitter to two devices simultaneously and easily switch between them. CODEC TX MODE: Adaptive, HD, LL, , Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on voltage: AC220V Material: plastic colour: Black Package Contents: 1 x Bluetooth Transmitter 1 x Audio Cable 1 x Fiber Cable 1 Adapter 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.