Tribe TRB Wireless Bluetooth 4.1 Fitness Headphone Lightweight Earbuds | Running, Gym | CSR Chip Sound Technology | 8 Hr. Battery Life (Red/Black) LIFETIME WARRANTY: If for whatever reason you don't absolutely love your Tribe TRB headphones, just return it and we will refund every penny or replace it, no questions asked! Now that's a guarantee! QUALITY: Tribe's 2016 TRB Headphones are made with the highest quality standards in sound technology. Integrated CSR sound technology for premium crisp sound without distortion DURABILITY: Our Tribe lightweight Wireless Headphones can take anything life will throw your way.. Weather it's running, rock climbing, or intense gym workouts. Our gear is specially designed to outlast BONUS FEATURES: Each Pair Of TRB Headphones Come With 3 Sets Of Silicone Earpieces Plus 2 Sets Of Adjustable With Stabilization Loops To Fit Every Size Ear LONG LASTING: Listen to music or talk on the phone for up to 8 hours before needing to recharge.