Dual modes: This Bluetooth-compatible audio adapter features receiver mode and transmitter mode, meeting your different needs. Wide compatibility: This wireless audio adapter can connect with many kinds of phones, tablets, computers, laptops, TVs, and more. Stable performance: This wireless audio transmitter and receiver supports Bluetooth 5.0 and delivers fast transmission speed with low latency and strong signal stability. Portable design: This wireless transmitter and receiver is small, compact, and lightweight, making it easy to carry or store when traveling. Suitable for various environments: This wireless audio adapter is ideal for use at home, in the office, in hotels, in cars, and more. Specifications: Chemical content: None Wireless technology: Bluetooth Interface: 3.5mm Data transfer rate: 300 Mbps Function: Plug and play Bluetooth version: 5.0 + EDR Interfaces: 2 x RCA / AUX 3.5mm / USB Frequency response range: 10 Hz – 20 kHz Output impedance: 75 Ω Signal-to-noise ratio: 90 dB Total harmonic distortion + noise: 0.02% Operating range: Up to 15 m / 50 ft (unobstructed) Transmitter mode indicator: Blue LED light Receiver mode indicator: White LED light Color: Black Material: ABS Package contents: 1 × Audio adapter Note: Lighting conditions and display settings may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.