· EXCLUSIVE BUNDLE - Includes (1) Sony ULT WEAR 900N Noise Cancelling Wireless Headphones with Massive Bass and (1) gSport Deluxe Carbon Fiber Hardshell Travel Case· MASSIVE BASS - Press the ULT button to boost your bass & feel the incredible power of sound· PREMIUM NOISE CANCELLING - Get closer to your favorite music with dual noise canceling technology & V1 processor· LONG BATTERY LIFE & QUICK CHARGING - Up to 30 hours battery life with quick charging (3 minute charge for up to 90 mins of music)· PERFECT PAIR - The gSport Carbon Fiber Cases soft velvet interior protects the headphone and integrated mesh pocket is designed perfectly for accessories