Dynamic sound reproduction with 30.0mm Neodymium driver unit
Bass Boost function for dynamic bass sound
17 hours of listening with built-in rechargeable battery
Save yourself from tangled wires and limited movement with the JVC HA-S40 On Ear Headphones Bluetooth - Black. With a Bluetooth range of 10 metres you'll be able to listen even when you're away from your device. Enjoy a generous battery life of up to 17 hours from a one to two hour charge, which is plenty to get you through day-to-day activities. When not in use, your JVC HA-S40 On Ear Headphones Bluetooth - Black folds into a manageable size for simple storage. An ear-cup-mounted microphone ensures that you won't miss important phone calls, letting you talk hands-free. Adjust the volume via the on-board controls or using your smartphone.