ƒ??GREAT SOUND QUALITY WITH APTX+. High-fidelity stereo sound quality with aptX codec and QCC 3003 chipset. These headphones are compatible with most smartphones, iPhone and Android. ƒ??THE BEST BATTERY IN THE CLASS WITH UP TO 12+ HOURS PLAYTIME. The new 2019 upgraded 170 mAh battery provides longer playtime up to 12+ hours of continuous talking/music time and up to 240 hours in standby mode with a single charge for the best sports or other experience, so you can enjoy long lasting music and less charge time. Wherever you go, headphones take care of your music. ƒ??MORE STABLE CONNECTION WITH NEW BLUETOOTH 5.0 TECHNOLOGY. Compared to Bluetooth 4.1, the latest version 5.0 features faster & more stable signal transmission, clearer sound quality and lower power consumption. ƒ??FULLY WATERPROOF IPX7 PROTECTION. New wireless earbuds have the upgraded IPX7 sweatproof rating, which prevents damage to the headphones from ordinary water spray and rain. Keep your headphones in good working order, even if you are drenched in sweat after a grueling workout. ƒ?? SATISFACTION GUARANTEED + CUSTOMER SUPPORT 24/7. Our team of professionals is constantly working to make you happier with your music experience. We are confident in the quality of our product and give you a 100% money back guarantee within 30 days and great customer support.