SENA offers you its MOMENTUM LITE helmet:

Helmet features:

Safety:

• Made of composite fibreglass ensuring lightness and impact resistance with a weight of 1680g +/-50
  
• Double-D buckle chin strap for maximum security on the market
• Multi-density EPS for increased resistance

Visibility:

• Clear screen treated with anti-scratch and anti-UV coating
• Pre-equipped to receive an optional Pinlock MaxVision 120 film
• Quick-release screen system

Ventilation:

• Vents on the top of the helmet and on the chin guard
• Extractor at the back of the helmet

The "+"s:

• Fully removable, washable, and breathable interior with quick-drying coating
• Laser-cut foam for easier wearing of glasses

Integrated Sena 20S kit features:

Intercom:

• Operating distance: up to 1.6 km in open terrain
• Supports up to 8 riders
• Bluetooth: Bluetooth 4.1
• Talk time: Momentum INC: 20 hours / Operating temperature: -10 °C to 55 °C
  

Audio:

• Noise reduction: Advanced Noise Control
  
• FM Radio: Radio frequency characteristics: 76 to 108 MHz - Memory for 10 preset stations
• Headset profile (HSP)
• Hands-free profile (HFP)
• Advanced Audio Distribution Profile (A2DP)
• Audio Video Remote Control Profile (AVRCP)
  

Certificates:

• Electronics: CE, FCC, IC - Helmet: DOT
  

Battery:

• Charging time: 2.5 hours - Type: lithium-polymer