备注： * Ultralight weight design * Infrared wireless stereo headphone (Dual Channel) * Carrier frequency: A source: 2.8MHz (right); 2.3MHz(left) B source: 3.8MHz (right); 3.2MHz (left) * Compatible with all vehicle AV applications * Auto mute and auto power off function * Comfortable wearing with adjustable headband * Personal volume control * Effective range up to 8 metres
