Features: 1. Easy to Use: Bluetooth version 2.1. No software installation required — plug and play. 2. Wireless Bluetooth Connectivity: Transmits TV audio to a compatible Bluetooth speaker, eliminating the need for cables. 3. Private Listening: Stream TV audio to a Bluetooth headset for immersive sound without disturbing others. 4. Versatile Use: Suitable for home entertainment, classroom presentations, and conference settings. 5. Clear Audio Transmission: Speak directly into the device’s microphone to transmit voice clearly to a paired Bluetooth speaker — no risk of low volume. Specifications: Interface: USB Wireless Type: Bluetooth Wi-Fi Standard: None Content: Audio High Definition Support: No Model Number: Audio Transmitter Supports paired Bluetooth stereo headsets/headphones for play/pause, forward/backward control Supports automatic pairing (no manual input required) Default pairing PIN code: 1234 Frequency Range: 2.42–2.480 GHz Maximum Working Current: 40 mA Compatible with 30-pin connectors Operating Range: Up to 10 meters Material: Plastic Color: Black Package Includes: 1 × Bluetooth Audio Transmitter Note: Actual product color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.