An solution to add wireless connectivity to your existing technology. Effortless to set up, enjoy music when your phone has no headphone jack or you want to watch TV without disturbing others in the room. Stablish a stable connection for perfectly sound for an enhanced movie watching experience. Features - ColorBlack - Material: ABS. - Size: 8.00 x 6.00 x 2.50cm/ 3.14 x 2.36 x 0.98 inch. - Frequency range: 2400-2483.5MHz. - Frequency response: 20Hz-20kHz. - Output power: 28mW RL=16. - Forward transmission distance: 10 meters. - Support Micro USB interface: 5V power supply. - Pair with smart phone or tablet from up to 10m , and enjoy great music cable-free. - Low-latency significantly reduce wireless delay and allows synchronized audio and video for gaming and TV. the adapter to a charger and leave it on. It will automatically resume connection with wireless devices. - Use transmitter or receiver mode to add wireless connectivity to your devices and stream music wirelessly. - Seriously accurate sound, provides high fidelity lag-free audio as clear as the wireless source. Package list: 1 x adapter