These Groove Wireless Headphones Bullet Buds are just ideal for listening to sounds or making and receiving calls when on the move. Whether you're just hanging out or doing some serious exercise while using the optional sports buds which come with the package, these Bullet Bud in-ear headphones are a great choice. Comfort matters when you're on the go and these buds are really easy to wear and use, they fit securely and are very comfortable to wear. The magnetic clasp will keep them firmly in place around your neck so they'll stay safe whatever you're doing and be right there ready to use when you need them. And the hands-free mic means you can make and receive calls easily whilst the smart metal casing of these buds gives them a fresh and cool look. They really are the perfect running and sports headphones. With a charging time of just 2-3 hours giving many hours of playback or talk time these earbuds have got it covered. An LED charging indicator shows you how much power you've got in the 120mAH Lithium battery and the Bluetooth Chipset has a 10m open area range. With its 10mm driver unit, 32 ohm impedance and a wide frequency range you get all the great sounds you need. And the built-in mic makes hands-free conversation a pleasure. The Bullet Buds headphones come complete with a Micro USB charging cable so you'll always be able to keep charged and ready to go!