Wireless external device headset

External additional headset for the radio device, installed in the car. Features 1. New generation digital loudspeaker with multiple functions 2. Comprehensive application of electrical audio technology and digital sound technology, to show excellent sound quality and noise suppression ability 3. Adoption of high-efficiency power amplifier, output power up to 11 watts, clear and loud sound 4. The casing made of engineering ABS material, wonderful, beautiful, and durable 5. With noise filter switch, mute function. Specifications * Dimensions: 110*90*36MM * Frequency response: 320-8600 Hertz * Cable length: 1.8 meters * Power output: 11 watts