The Havit E529BT wireless earphones have a neckband that fits snugly around your neck and is comfortable, which makes it ideal for outdoor and sporting activities. Long Battery Life: These earphones are ideal for long commutes, workouts, and trips because they have a 250mAh battery that lasts up to 14 hours on a single charge. Superior Sound: The Havit E529BT earphones have a Φ10MM speaker with a sensitivity of 96±3 dB 1kHz/1mW. They produce crystal-clear sound and strong bass, making for an engrossing listening experience. Fast Charging: You can quickly power up and resume listening to music because the earphones only take around 0.8 hours to fully charge. Extended Wireless Range: The Havit E529BT earphones can operate wirelessly up to