Our simplest clamping design so far The SMH5 MultiCom has been specially designed to easily connect and disconnect to helmets. The quick-release unit allows quick and easy attachment and subsequent intercom transmission - the ideal solution for motorcycle training courses, tours or rentals. In addition to this easy installation, the SMH5 s rotary knob and large intercom button provide an intuitive user interface that is easy to use while driving, by seasoned and inexperienced drivers alike. With four-way intercom to the pole position In a noisy group on a guided motorcycle tour, where everyone wears a helmet, communicating can be a challenge, but that s where the SMH5 MultiCom helps. With the special design for various types of motorcycle training, rentals or guided tours, the SMH5 MultiCom offers four-way intercom functionality that lets you stay connected within your group. The crystal clear sound of the Mono Bluetooth® stereo headset ensures instant feedback and communication, while the Advanced Noise Control ™ technology reduces both incoming and outgoing background noise. Whether in track training or group driving - the SMH5 leaves no one out and keeps everyone on track. Up to seven hours of battery life and free firmware upgrades With one battery charge, up to seven hours of talk time and seven days of standby time are possible. All registered Sena customers have access to free firmware upgrades to ensure that the SMH5 is always used with the latest software version. Built-in voice prompts, available in German, English, French, Italian and Spanish, help you learn how to use the device quickly. What is important on the way In addition to the features that make the SMH5 MultiCom ideal for training purposes, it is also equipped with the features that make it ideal for everyday use. Bluetooth 3.0 enables hands-free calls and communication with other drivers via the one-to-one intercom with a range of up to 700 meters. At the same time, you will be able to retrieve instructions from the navigation device and listen to music when using an MP3 player or smartphone with mono audio support. General Talk time: 7 hours Standby time: 7 days Operating temperature: -10 ?C - 55 ?C Dimensions: Headset: 69.9mm x 45.0mm x 30.6mm Speaker: driver unit 32 mm - thickness 5.6 mm Length of boom microphone: 205 mm Mass: Headset: 40g Bluetooth Headset profile (HSP) Hands-free profile (HFP) Advanced Audio Distribution Profile (A2DP) Audio Video Remote Control Profile (AVRCP) Bluetooth 3.0 Intercom Range: up to 700 meters in open terrain Audio Advanced Noise Control ™ Wind noise reduction Integrated SBC codec Mono audio Multi-level volume control Sample rate: 48 kHz (DAC) Battery pack Charging time: 2.5 hours Type: lithium polymer Certifications FCC, IC