Sena – Headset – Bluetooth 3.0

This water-resistant Bluetooth headset was designed to give you a stable, secure fit in any situation | Use the Expand to communicate from headset-to-headset, take hands-free phone calls, or listen to music from your smartphone | Built to be water and sweat resistant, you wont have to think twice about keeping your Expand headset on your head as the weather rolls in | Bluetooth 3.0 technology allows for four-way intercom over a 900-meter (half mile) range | Advanced Noise ControlTM ensures noisy outside environments wont interfere, and each audio source has its own volume level which can set to your preference | Expand uses the Universal IntercomTM protocol, which makes your gear compatible with other brands | General | Talk time: up to 10 hours | Charging temperature: 0C 45C (32F 113F) | Operating temperature: -10C 55C (14F 131F) | Dimensions: main module – 145 mm x 115 mm x 78 mm (5-11/16″ x 4-1/2″ x 3-1/16″) | Weight: main module – 91 g (3.21 oz) | Intercom | Working distance: up to 900 meters (980 yards) in open terrain | Supports up to 4 riders | Battery | Type: Lithium Polymer Battery | Charging time: 2.5 hours