Wireless Bluetooth 3.0 headset and intrecom: Easy installation by unibody desigin
Multipoint connection: 2 phones or phone + GPS
Stereo Music and track control via Bluetooth
Individual volume profiles
The 3S is a Bluetooth 3.0 stereo headset with Bluetooth intercom designed specifically for motorcycles. With the 3S, you can call handsfree on your Bluetooth mobile phone, listen to stereo music, and have two-way intercom conversations in full duplex with a passenger or other riders. Thanks to the latest Bluetooth 3.0 and the advanced digital signal processing technology, the 3S offers the best sound quality for both incoming and outgoing sound in its class. Also, the easy-to-access and intuitive two-button operations make the 3S a perfect companion for motorcycles.
Note:if the speaker is not in the right position for the ear in the helmet, the user will feel the sound is not good or high enough. Justly, in certain helmets which doesn't offer enough space for the speakers, the user may feel the slight pain on the ears because the speakers can press them.
Sena 3S Bluetooth Headset & Intercom for Scooters and Motorcycles Full-face Helmet Kit - B00NBSHP2Y