Color: Black - Plastic material housing - Up to 800 meters working distance between two BT interphones - Supports two-way wireless between 3 riders - Effective operation up to 120km/h speed - Wireless hands free communication for motorcyclists and skiers - Support EDR A2DP profile - Works with any Bluetooth equipped mobile phone or MP3 for stereo music - Fits any motorcycle helmet - Wind and noise compensating microphone with slim headset speaker - Drive safely while talking with friend - Talking time: 7 hours - Package included: - 2 x BT interphone - 2 x Rider speakers and microphone (65cm-cable) - 2 x Helmet mount kit set - 2 x Power adapter (AC 100~240V / EU plug) - 1 x English user manual