EXCLUSIVE PACK - Includes Treks Air wireless bone conduction headphones and pack of Brilliant Reflective strips. The sweat proof, Open Fit headphone design ensures ears remain open for situational awareness while reflective strips make drivers aware of you. DESIGNED FOR LONG-TERM WEAR - The new, organic, wrap around headphone design is 20% lighter than its counterpart Treks Titanium to deliver unnoticeable all-day comfort. Six hour continuous use battery life further supports long-term wear. BLUETOOTH CONNECTIVITY - Wireless headphones with Bluetooth v4.2 connectivity and convenient multipoint pairing, these are compatible with your iOS and Android Bluetooth-ready smartphones or tablets and Mac and PC computers and laptops. QUALITY SOUND - Innovative Aftershocks headphones combine Premium Pitch technology for wide dynamic range and rich bass, Leaks layer technology to reduce natural sound leakage, and dual-noise canceling mics to ensure a premium, on-the-go audio experience. VISIBILITY ON-THE-GO - Brilliant Reflective strips easily adhere to bikes, helmets, shoes, and more. Designed to be visible from up to 500+ feet at night and blend into clothes and gear during the day. Made with durable 3M Scotch lite Reflective Material.