SMH-10 Bluetooth Dual Pack Snowmobile Version 2.0 The SMH10 is a Bluetooth v2.1+EDR Class 1 Stereo Headset with long-range Bluetooth Intercom designed specifically for snowmobiles, but which can also be used with full face motorcycle helmets. With the SMH10, 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 intercom conversations in full duplex with a passenger or other motorcycle riders. Thanks to the latest Bluetooth v2.1+EDR and the advanced digital processing technology, the SMH10 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 SMH10 a perfect companion for motorcycles and sleds. Note This kit is the same as the standard SMH-10 kit , with a few differences. The Snowmobile Version ships with the A0302 Boom and Wired Microphone Clamp , not the boom mic only clamp. Also, the Snowmobile Version does not include a DC wall power adapter, but does include a USB charging cable. DC wall power adapters are available separately. Features Universal Intercom Allows allows pairing to another brands of Bluetooth headsets Audio Booster Individual Volume Control Versatile Jog Dial Use while charging Upgradable firmware General Talk time 12 hours Standby time 10 days Working Distance (Intercom) up to 900 meters (980 yards) in open terrain Dimensions Headset 84.1 mm x 56.5 mm x 38.6 mm (3.3 in x 2.2 in x 1.5 in) Clamp unit 223.8 mm x 85.5 mm x 30.6mm (8.8 in x 3.4 in x 1.2 in) Headset weight 60g (2.11 oz) Clamp unit 84g (2.96 oz) Bluetooth Profiles Headset Profile, Hand-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio Video Remote Control Profile (AVRCP) Bluetooth v2.1+EDR Audio Advanced Noise Control Improved wind and engine noise reduction Sidetone Now you can hear yourself talk similar to a Goldwing or Harley Davidson intercom Built-in SBC Codec Noise cancellation Wind noise reduction Wide volume control Sample rate 48kHz (DAC) Auxiliary audio-in connection via 3.5mm jack Battery Charging time 2.5 hours Type Lithium polymer battery Please Note Some of the above features require updating the firmware to the latest v5.0. The firmware is a free download from Sena Technologies .