SENA SMH10 Bluetooth Headset & Intercom for Motorcycles with Universal Microphone Kit Pack Type:Single The included composite rail adapter

The included composite rail adapter can narrow the rail to a minimum width of 0

Thread: We use Nylon-6 thread in our products – this is much stronger than polyester thread

Frame Size: Large

converts to a comfortable foam padded seat for the pillion to sit on

Capacity: 18L

SENA SMH10 Bluetooth Headset & Intercom for Motorcycles with Universal Microphone Kit Pack Type:Single The included composite rail adapterSena SMH 10 Bluetooth Headset The SMH10 is a Bluetooth v3. 0+EDR Class 1 Stereo Headset with long range Bluetooth Intercom designed specifically for motorcycles. With the SMH10, you can call hands free on your Bluetooth mobile phone, listen to stereo music or voice instructions of GPS navigations by Bluetooth wirelessly, and have intercom conversations in full duplex with a passenger or other motorcycle riders. Thanks to the latest Bluetooth v3. 0+EDR