Sena Outrush R Bluetooth Helmet The Sena Outrush R Modular Helmet is the perfect helmet for everyday use and weekend adventures. This helmet features Bluetooth 5.0 technology wrapped in a lightweight polycarbonate shell which eliminates the need for fussing around with speaker pads and wires. The advanced sound processing filters out road and wind noise so that your conversations will be surprisingly clear. Using the on-board features you'll be able to link up with other Sena riders or listen to you favorite tunes. Pairing a Bluetooth-enabled mobile device to your Sena allows you to take advantage of your smartphone's capabilities such as navigation, music or hands free calling. Note: If you measure between sizes, customers recommend ordering the larger size. Shell: Single shell polycarbonate ABS Multi density EPS liner Shield: Scratch-resistant, UV-resistant clear face shield Drop down internal sun visor Ventilation: Top and chin vents Rear exhaust port Interior: Removable, washable, quick dry liner Breathable mesh allows air flow through the helmet Bluetooth Specifications: Bluetooth 5.0 Talk time: Up to 12 hours Charge time: 2.5 hours Working distance of up to 900 meters (0.56 miles) in open terrain Connects up to 4 riders Headset Profile (Hsp) Hands-Free Profile (Hfp) Advanced Audio Distribution Profile (A2Dp) Audio Video Remote Control Profile (Avrcp) Advanced Noise Control Built-in SBC codec Safety: DOT certified Quick release chin strap Steel quick release buckle