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.