The Bern Outdoor Tech chips are a universal, wireless audio system that works in the lining of your helmet as well as other helmets that are designed to take audio drop-ins. The tech spec is a follows:

Audio chip connects easily to your Bluetooth device

Patented two button control system

Allows you to easily control volume, change tracks, play and pause music’s as well as answering calls.

Rechargeable battery gives you 280 hours standby time and 10 hours of playing time.

Chips are waterproof and work in freezing conditions