Sena SMH5 Bluetooth Headset The SMH5 is a Bluetooth v3.0 Stereo Headset with Bluetooth Intercom designed specically for motorcycles. With the SMH5, you can call hands-free on your Bluetooth mobile phone, listen to stereo music or voice instructions of GPS navigation by Bluetooth wirelessly, and have two-way intercom conversations in full duplex with a passenger or another motorcycle rider. Thanks to the latest Bluetooth v3.0 and the advanced digital processing technology, the SMH5 offers the best sound quality for both incoming and outgoing sound in its class. Also, the easy-to-access and intuitive button operations make the SMH5 a perfect companion for motorcycles. General Features Bluetooth Specification v3.0 Bluetooth Intercom up to 400 meters (437 yards) (in open terrain) Multi-Pair Bluetooth intercom Bluetooth stereo headset by A2DP Bluetooth music playback control by AVRCP play, pause, track forward and track back Easy operation by versatile Jog Dial Sufficient sound level with integrated audio booster Bluetooth hands-free for Bluetooth mobile phones Bluetooth headset or stereo headset for Bluetooth GPS navigation Water resistant for use in inclement weather Crystal clear and natural sound quality Up to 8 hours talk time, 7 days stand-by time Can be used while charging on road trips Individual volume control for each audio source CE, FCC, TELEC and IC Certified Firmware Upgradeable Peace of mind - thanks to the 2-year warranty Specifications Talk time 8 hours Standby time 7 days Working distance (Intercom) up to 400 meters (437 yards) in open terrain Operating temperature -10C 55 Headset Dimensions 69.9 mm x 45.0 mm x 30.6 mm Clamp unit Dimensions 49.2 mm x 38.9 mm x 22.1 mm Bluetooth Specifications Profiles Headset Profile, Hand-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio Video Remote Control Profile (AVRCP) Bluetooth v3.0 Audio Specifications Built-in SBC Codec Noise cancellation Wind noise reduction Wide volume control Sample rate 48kHz (DAC) Battery Specifications Lithium polymer battery Charging time 2.5 hours Package Contents Communication unit Clamp mount Surface mount Boom microphone USB power cable Microphone sponge Velcro pads for speakers Velcro pad for boom mic Hex key Spacer