MAKE YOUR WORKOUTS FUN AND EASY - TREBLAB J1 are designed to be the best sports earbuds. They are IPX6 sweatproof and water-resistant, perfect if you love to run or cycle outdoors. You also get secure xDrop anti-drop ear fins for a custom fit, so they’ll stay in your ears even through the hardest of workouts. INCREDIBLE SOUND QUALITY - You'll be shocked by the awesome sound quality! They provide stereo-quality HD sound, with 10mm drivers and aptX technology. You’ll hear clear treble and punchy bass, just as if you were listening to a CD. They also come with cVc 6.0 noise-cancelling technology to block out external noise. PERFECT CONNECTIVITY - The TREBLAB J1 earphones use Bluetooth 4.1 to connect to any smartphone or computer. They connect fast and stay connected, with aptX technology to make sure the music won’t stop until you want it to. Use the built-in microphone to make and take calls, wherever you are, and then switch straight back to the music. AMAZING BATTERY LIFE - These earbuds come with an extra-long battery life, so you don’t need to worry about them running out of power when you’re listening to your favourite track. You’ll get 8 HOURS of play from a 2 hour charge. 100% RISK-FREE PURCHASE - We guarantee you’ll love your new J1 wireless sports earbuds or we’ll refund you any time within 30 DAYS. They also come with a 1 year warranty and our famous A+ customer care.