Description: This intercoms main features are clear communication, 2 headsets with speaker and mouthpiece, with the ability to incorporate additional audio equipment Compact and simple to use Clip on belt, pocket or arm. Clear timbre, anti-interference, suitable for use in noisy environments Use environmental PU wire, durable and long lasting With active indicator, two speakers with independent volume control switch, can better adjust the volume With a sponge set of high-quality headphones, features are clear communication Audio output line, can external connect MP3 or mobile phones Motorcycle intercom that enables simultaneous two-way and hands-free, communication between rider and passenger Use this headset to listening music, let your travel no longer boring Installation: Just install two AAA batteries and it can be used This item is with excellent power saving, please take out the battery if wont use for a long time Specification: Material: Plastic Color: Black Power source: AAA battery * 2(not included) Rated output: 150mW Frequency response: 50-20,000hz = 3dB Package Includes: 2 Pieces Headsets 1 Piece Audio output line