Advanced technology: Bluetooth V4.1+ EDR APT-X audio decode technology, easier and faster pairing with smartphone, tablets and other Bluetooth enabled music devices.
Top quality audio: Built-in HD Microphone with CVC6.0 noise cancellation, enable more clear microphone sound. Let you get high quality and clear voice even in noisy environment like inside a gym and running/cycling on the road.
Connect multiple devices: Pair with any 2 Bluetooth devices at a time, never miss important calls or messages while driving or hitting the gym and sweating.
Long battery life: Built-in polymer lithium battery, allows the headphones only take 2 hours to full charge, but play up to 6-9 hours of talk time or 250 hours of standby time.
Sweat Proof: Water-resistant, durable design, Hopday headphones are protected against sweat and moisture damaged by its water-resistant material. It would be a good choice for running, exercising, jogging and biking.