QCY Universal APT-X Bluetooth V4.1 Wireless Stereo Headphones - Black COMEFORT AND SECURE FIT. Come with tree size ear tips (S M L) and three size ear hooks. Lightweight and sweat-proof design for maximum comfort running to match your active lifestyle like running, climbing, dancing, driving, skating and any other indoor or outdoor sports. LONG BATTERY LIFE. QCY wireless earbud come with 80mAh battery, up to 6 hours talking/playing time, and about 175 hours standby time. SIMPLE TO USE. Control all functions of your music (volume, sound, song selection) and calls from your phone via our simple-to-use user interface on the headphones themselves. FAST PARING AND NICE STEREO SOUND. QCY QY8 bluetooth headphone come with Bluetooth 4.1 + EDR APT-X audio decode technology, offering you perfect stereo sound. And it can connect with 2 cell phones or tablets at the same time. 12 MONTHS WARRANTY. We provide the One Year warranty from the date of purchase for manufacturer defects. If the device fails due to a manufacturing defect, please contact seller directly to initiate return and warranty process.