This 2-in-1 BT Receiver/Transmitter is a versatile device that can either transmit or receive BT signals. It's perfect for streamingaudio from your TV to your headphones, or from your mobilephone to your stereo system. With its fine BT technology, it ensures a stable connection and fine quality sound. It's compact, portable, and easy to set up, making it an nice solution for all your BT audio needs. Features: Two-in-one BT receiver and transmitter for versatile use. Features a clear LED digital display for clear visibility. Supports USB and memory card playback for PlugAndPlay convenience. Equipped with a 400mAh battery capacity for long working hours. Easy-to-use knob operation for user-friendly experience. Offers 10 meters of unobstructed transmission for quick and stable connectivity. Supports dual output, allowing simultaneous connection to two playback devices. Compatible with AUX/RCA output and microphone for added functionality. Specifications: Color: black BT: 5.0+EDR Frequency range: 2400-2483.5MHz Frequency response: 10Hz-20KHz Input: 5V/500mA Interface: AUX/RCA/USB/memory card SNR: 90dB Battery: 3.7V, 400mAh Item size: 100 * 49 * 24mm / 3.9 * 1.9 * 0.9in Package size: 100 * 54 * 33mm / 3.9 * 2.1 * 1.3in Package weight: 72g / 2.5ounce Packing List: 1 * BT5.0 Wireless Adapter