Top features: - Wireless in-ear headphones with a sweat resistant design for sports - Choice of eartip fit so you can find the most comfortable size - Up to seven hours' battery life from one charge so you can keep listening Wireless sports headphones Focus on your workout without being limited by a headphone cable when you use JVC HA-F250BT-AE Wireless Bluetooth Headphones. Sitting snugly in your ear, the headphones are IPX2-rated for sweat resistance so you can be sure they'll last even when you're pushing yourself to the limit.Nozzle fit ear pieces JVC HA-F250BT-AE come with a choice of two sizes of ear piece, so you can choose the fit that suits your own ears best. With a volume control and microphone on the ear piece, you'll be able to control volume levels and take important calls hands-free, wherever you are.Seven hours' battery life Enjoy up to seven hours of listening time from a single two hour change - plenty to power you through your exercises. The JVC HA-F250BT-AE offer a Bluetooth wireless range of 10 metres, so you'll stay connected to your phone even when it's not in your pocket.