Q7 Bluetooth Headset For Motorcycle Helmet

Features:

• CSR5.0 Bluetooth headset can support 70 hours on standby, stereo music (optional, not built-in Bluetooth, see the installation manual on the above product images)
• USB Charging 
• Charing Time: 2-3 hours
• Built-in Battery: 5V/900mAH
• Distance: 10m
• IP67 waterproof

This link is for the separate Bluetooth Headset for Motorcycle Helmet, which fits lots of models.